The best AI website builder for your work.

A practical 2026 buyer's guide to Uvilno, Emergent, Base44, Lovable, Bolt.new, v0, Replit Agent, Cursor, Framer and Webflow. Start with what you need to ship. Then choose the workflow that can support it.

Explore ten options Read the 24-point matrix

Full-stack evaluation rubric.

Uvilno provides conversation-led frontend generation, schema-declared app data and a $4.99 permanent source unlock for one project. Plus costs $10/month; Pro costs $20/month with unlimited source unlocks during the subscription. Generation and hosted services have separate limits.

The five criteria below allocate 100 possible points. Available documentation and recorded Uvilno checks establish some conditions; they do not establish equivalent performance across products. Overall scores remain unmeasured. Unknown evidence is not treated as a failed capability.

Published by Uvilno. Uvilno appears first as the publisher’s presentation order, not a measured rank. The weights express this publication’s engineering priorities.

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Evidence conditions under a proposed 100-point protocol. Open each cell to inspect the individual conditions and sources.
Criterion & weight	UvilnoPublisher	EmergentDocumented comparison	LovableDocumented comparison	Base44Documented comparison	Bolt.newDocumented comparison	v0Documented comparison	Replit AgentDocumented comparison	CursorDocumented comparison	FramerDocumented comparison	WebflowDocumented comparison
Code ownership & export cost25 possible points	5 of 5 conditions documented An owned, unlocked project can export its runtime-appropriate source and referenced media. Inspect conditions0 unmeasured A project-source handoff is documentedDocumented An owned, unlocked project can export its runtime-appropriate source and referenced media. Source A repository handoff is documentedDocumented Supported frontends can use authorized GitHub import, push and pull; a source push requires unlock. Source The source-access purchase and its limits are identifiedDocumented Free is $0; a source unlock is $4.99 once. Plus is $10/month, Pro $20/month and Ultra $59/month. Generation and hosted services are separate. Source A permanent one-project source purchase is documentedDocumented The $4.99 purchase permanently unlocks one project's source; subscription generation remains finite. Source Hosted-service and data-migration boundaries are describedDocumented Source export is not a copy of managed records, visitor identities, payment credentials or hosted services. Source	3 of 5 conditions documented Save source through GitHub; copy individual files in Code view. Inspect conditions2 unmeasured A project-source handoff is documentedDocumented Save source through GitHub; copy individual files in Code view. Source A repository handoff is documentedDocumented GitHub source handoff on Standard and above. Source The source-access purchase and its limits are identifiedUnmeasured The displayed Standard offer is $20/month equivalent under Annual billing ($240/year). A month-to-month checkout price is not verified here. An equivalent complete source-access purchase has not been priced by a matched export test. A permanent one-project source purchase is documentedUnmeasured This specific source-access condition has not been established here; it is not marked unsupported. Hosted-service and data-migration boundaries are describedDocumented Exported code excludes secrets and application data; migrate those separately. Source	3 of 5 conditions documented Export source and move hosting; services require separate migration. Inspect conditions2 unmeasured A project-source handoff is documentedDocumented Export source and move hosting; services require separate migration. Source A repository handoff is documentedDocumented Two-way GitHub, GitLab and Bitbucket sync; existing-repo import differs. Source The source-access purchase and its limits are identifiedUnmeasured Pro 100: $25 billed monthly, or $250 paid for a year. Annual payment is upfront. An equivalent complete source-access purchase has not been priced by a matched export test. A permanent one-project source purchase is documentedUnmeasured This specific source-access condition has not been established here; it is not marked unsupported. Hosted-service and data-migration boundaries are describedDocumented Code and data can move; replace or reconfigure backend, AI and connector calls. Source	3 of 5 conditions documented Advertises ownership and two-way GitHub source export; plan conditions apply. Inspect conditions2 unmeasured A project-source handoff is documentedDocumented Advertises ownership and two-way GitHub source export; plan conditions apply. Source A repository handoff is documentedDocumented GitHub integration on Builder and above; Base Code edits connected repositories. Source The source-access purchase and its limits are identifiedUnmeasured Starter is displayed at $16/month billed annually ($192 upfront). Builder, which lists GitHub integration, is $40/month billed annually ($480 upfront). An equivalent complete source-access purchase has not been priced by a matched export test. A permanent one-project source purchase is documentedUnmeasured This specific source-access condition has not been established here; it is not marked unsupported. Hosted-service and data-migration boundaries are describedDocumented Source ownership is documented; migrate backend data and connected services separately. Source	3 of 5 conditions documented Download a project or use GitHub for source handoff. Inspect conditions2 unmeasured A project-source handoff is documentedDocumented Download a project or use GitHub for source handoff. Source A repository handoff is documentedDocumented GitHub import, sync and branch workflows. Source The source-access purchase and its limits are identifiedUnmeasured Entry Pro is $25 billed monthly. No unverified annual discount is applied. An equivalent complete source-access purchase has not been priced by a matched export test. A permanent one-project source purchase is documentedUnmeasured This specific source-access condition has not been established here; it is not marked unsupported. Hosted-service and data-migration boundaries are describedDocumented Source can be self-hosted; migrate database and service dependencies too. Source	3 of 5 conditions documented Source can be exported and deployed outside Vercel. Inspect conditions2 unmeasured A project-source handoff is documentedDocumented Source can be exported and deployed outside Vercel. Source A repository handoff is documentedDocumented GitHub-backed branches, pull requests and CI workflows. Source The source-access purchase and its limits are identifiedUnmeasured Plus is $30 per user per month at the checked published offer; one user is modeled. An equivalent complete source-access purchase has not been priced by a matched export test. A permanent one-project source purchase is documentedUnmeasured This specific source-access condition has not been established here; it is not marked unsupported. Hosted-service and data-migration boundaries are describedDocumented Exported code can move; reconfigure framework runtime and service integrations. Source	3 of 5 conditions documented Plan source, dependencies and service data as separate handoff items. Inspect conditions2 unmeasured A project-source handoff is documentedDocumented Plan source, dependencies and service data as separate handoff items. Source A repository handoff is documentedDocumented Development workspace for maintaining application code. Source The source-access purchase and its limits are identifiedUnmeasured The current official pricing page did not expose a verifiable Core amount in accessible text. Enter your confirmed current monthly quote below. An equivalent complete source-access purchase has not been priced by a matched export test. A permanent one-project source purchase is documentedUnmeasured This specific source-access condition has not been established here; it is not marked unsupported. Hosted-service and data-migration boundaries are describedDocumented A migration must include runtime, environment variables and production data. Source	3 of 5 conditions documented Project files are edited in the development workspace; no per-site source unlock. Inspect conditions2 unmeasured A project-source handoff is documentedDocumented Project files are edited in the development workspace; no per-site source unlock. Source A repository handoff is documentedDocumented Repository-centric work; Premium adds Origin hosting and Bugbot features. Source The source-access purchase and its limits are identifiedUnmeasured Current Plus is $8 monthly or $80 annually upfront. Included Cursor models are Grok and Composer; third-party models are not included on Plus. An equivalent complete source-access purchase has not been priced by a matched export test. A permanent one-project source purchase is documentedUnmeasured This specific source-access condition has not been established here; it is not marked unsupported. Hosted-service and data-migration boundaries are describedDocumented Project source remains yours; infrastructure and licenses still matter. Source	1 of 5 conditions documented Officially no HTML export for independent self-hosting. Inspect conditions3 unmeasured A project-source handoff is documentedDocumented limitation Officially no HTML export for independent self-hosting. Source A repository handoff is documentedUnmeasured This specific source-access condition has not been established here; it is not marked unsupported. The source-access purchase and its limits are identifiedUnmeasured Basic is advertised at $10/month with yearly billing: $120 paid upfront for one site. An equivalent complete source-access purchase has not been priced by a matched export test. A permanent one-project source purchase is documentedUnmeasured This specific source-access condition has not been established here; it is not marked unsupported. Hosted-service and data-migration boundaries are describedDocumented Independent source hosting requires rebuilding rather than native HTML export. Source	2 of 5 conditions documented HTML/CSS/JavaScript/assets export with important feature exclusions. Inspect conditions3 unmeasured A project-source handoff is documentedDocumented HTML/CSS/JavaScript/assets export with important feature exclusions. Source A repository handoff is documentedUnmeasured This specific source-access condition has not been established here; it is not marked unsupported. The source-access purchase and its limits are identifiedUnmeasured Basic site: $15/month billed yearly ($180 upfront). This models hosted publishing, not a paid export workspace. An equivalent complete source-access purchase has not been priced by a matched export test. A permanent one-project source purchase is documentedUnmeasured This specific source-access condition has not been established here; it is not marked unsupported. Hosted-service and data-migration boundaries are describedDocumented Static export can move; CMS, ecommerce, forms and other services need replacement. Source
Database, accounts & app AI25 possible points	5 of 5 conditions documented Uvilno.db CRUD and App Data use schema-declared, persistent app records. Inspect conditions0 unmeasured An app-record database is documentedRecorded Uvilno check Uvilno.db CRUD and App Data use schema-declared, persistent app records. Source App visitor authentication is documentedRecorded Uvilno check Managed visitor identities are isolated per project from the creator's platform session. Source App-user inference is documentedRecorded Uvilno check Uvilno.ai.ask/json makes real owner-funded calls; admission limits and a 600-output-token ceiling apply. Source A schema-backed data interface is documentedDocumented data/schema.json declares collection fields and access; the runtime exposes validated data operations. Source Data-event automations are documentedRecorded Uvilno check Bounded record effects and notifications execute in the triggering record transaction; arbitrary server code, email and network actions are outside this rules engine. Source	3 of 5 conditions documented Backend and database workflows are part of the app platform. Inspect conditions2 unmeasured An app-record database is documentedDocumented Backend and database workflows are part of the app platform. Source App visitor authentication is documentedDocumented Generated app login requires configuration and testing. Source App-user inference is documentedDocumented One-click LLM integration is listed; app configuration and usage still apply. Source A schema-backed data interface is documentedUnmeasured An equivalent schema-backed SDK contract has not been inspected here. Data-event automations are documentedUnmeasured This automation condition has not been established here; supported integrations may provide it.	3 of 5 conditions documented Built-in Cloud backend with database, storage and compute billing. Inspect conditions2 unmeasured An app-record database is documentedDocumented Built-in Cloud backend with database, storage and compute billing. Source App visitor authentication is documentedDocumented App authentication is part of the backend configuration. Source App-user inference is documentedDocumented Managed app AI connector provides real model calls and workspace usage billing. Source A schema-backed data interface is documentedUnmeasured An equivalent schema-backed SDK contract has not been inspected here. Data-event automations are documentedUnmeasured This automation condition has not been established here; supported integrations may provide it.	5 of 5 conditions documented Built-in entities, records and a data dashboard; test and production data controls. Inspect conditions0 unmeasured An app-record database is documentedDocumented Built-in entities, records and a data dashboard; test and production data controls. Source App visitor authentication is documentedDocumented App sign-in and role/access settings; data permissions require review. Source App-user inference is documentedDocumented invokeLLM and app agents use supported managed model presets. Source A schema-backed data interface is documentedDocumented Typed entities and visual record management are part of the built-in backend. Source Data-event automations are documentedDocumented Scheduled, data-event and connector triggers; workflows are replacing automations. Source	2 of 5 conditions documented Bolt Cloud databases and supported external providers. Inspect conditions3 unmeasured An app-record database is documentedDocumented Bolt Cloud databases and supported external providers. Source App visitor authentication is documentedDocumented Authentication integrations are part of the app-building workflow. Source App-user inference is documentedUnmeasured App-user inference has not been established in this source set; builder AI alone is not treated as app AI. A schema-backed data interface is documentedUnmeasured An equivalent schema-backed SDK contract has not been inspected here. Data-event automations are documentedUnmeasured This automation condition has not been established here; supported integrations may provide it.	2 of 5 conditions documented Database and API integrations; provision services as needed. Inspect conditions3 unmeasured An app-record database is documentedDocumented Database and API integrations; provision services as needed. Source App visitor authentication is documentedDocumented Implement app authentication with the chosen provider. Source App-user inference is documentedUnmeasured App-user inference has not been established in this source set; builder AI alone is not treated as app AI. A schema-backed data interface is documentedUnmeasured An equivalent schema-backed SDK contract has not been inspected here. Data-event automations are documentedUnmeasured This automation condition has not been established here; supported integrations may provide it.	2 of 5 conditions documented Production databases, compute and network resources are metered. Inspect conditions3 unmeasured An app-record database is documentedDocumented Production databases, compute and network resources are metered. Source App visitor authentication is documentedDocumented App authentication requires a configured and reviewed implementation. Source App-user inference is documentedUnmeasured App-user inference has not been established in this source set; builder AI alone is not treated as app AI. A schema-backed data interface is documentedUnmeasured An equivalent schema-backed SDK contract has not been inspected here. Data-event automations are documentedUnmeasured This automation condition has not been established here; supported integrations may provide it.	0 of 5 conditions documented Comparable evidence for these conditions is not recorded here. Inspect conditions5 unmeasured An app-record database is documentedUnmeasured A general app-record database has not been established in this source set; a CMS is not assumed equivalent. App visitor authentication is documentedUnmeasured An equivalent managed app-visitor identity flow has not been checked here. App-user inference is documentedUnmeasured App-user inference has not been established in this source set; builder AI alone is not treated as app AI. A schema-backed data interface is documentedUnmeasured An equivalent schema-backed SDK contract has not been inspected here. Data-event automations are documentedUnmeasured This automation condition has not been established here; supported integrations may provide it.	0 of 5 conditions documented Comparable evidence for these conditions is not recorded here. Inspect conditions5 unmeasured An app-record database is documentedUnmeasured A general app-record database has not been established in this source set; a CMS is not assumed equivalent. App visitor authentication is documentedUnmeasured An equivalent managed app-visitor identity flow has not been checked here. App-user inference is documentedUnmeasured App-user inference has not been established in this source set; builder AI alone is not treated as app AI. A schema-backed data interface is documentedUnmeasured An equivalent schema-backed SDK contract has not been inspected here. Data-event automations are documentedUnmeasured This automation condition has not been established here; supported integrations may provide it.	0 of 5 conditions documented Comparable evidence for these conditions is not recorded here. Inspect conditions5 unmeasured An app-record database is documentedUnmeasured A general app-record database has not been established in this source set; a CMS is not assumed equivalent. App visitor authentication is documentedUnmeasured An equivalent managed app-visitor identity flow has not been checked here. App-user inference is documentedUnmeasured App-user inference has not been established in this source set; builder AI alone is not treated as app AI. A schema-backed data interface is documentedUnmeasured An equivalent schema-backed SDK contract has not been inspected here. Data-event automations are documentedUnmeasured This automation condition has not been established here; supported integrations may provide it.
Targeted edit precision & speed20 possible points	2 of 4 conditions documented @file, @page, @db and bounded repository retrieval supply explicit context. Inspect conditions2 unmeasured Explicit file or collection context is documentedDocumented @file, @page, @db and bounded repository retrieval supply explicit context. Source Selected-element editing context is documentedDocumented The mapped inspector supplies selected-element context or a supported direct text, link or color change. Source Equivalent before/after edit accuracy has been measuredUnmeasured Recorded targeted checks do not establish a comparative edit-accuracy rate across vendors. Equivalent edit latency has been measuredUnmeasured No matched cross-vendor timing establishes a universal 4–8 second edit duration.	0 of 4 conditions documented Comparable evidence for these conditions is not recorded here. Inspect conditions4 unmeasured Explicit file or collection context is documentedUnmeasured Exact context-selection behavior needs a documented or observed matched test; repository access alone does not prove surgical precision. Selected-element editing context is documentedUnmeasured Equivalent selected-element context has not been checked here. Equivalent before/after edit accuracy has been measuredUnmeasured No equivalent before/after edit-accuracy benchmark is recorded here. Equivalent edit latency has been measuredUnmeasured No comparable end-to-end edit-timing distribution is recorded here.	1 of 4 conditions documented The preview toolbar attaches one or more selected elements to the chat as edit context; sending a requested change consumes standard build usage. Inspect conditions3 unmeasured Explicit file or collection context is documentedUnmeasured Exact context-selection behavior needs a documented or observed matched test; repository access alone does not prove surgical precision. Selected-element editing context is documentedDocumented The preview toolbar attaches one or more selected elements to the chat as edit context; sending a requested change consumes standard build usage. Source Equivalent before/after edit accuracy has been measuredUnmeasured No equivalent before/after edit-accuracy benchmark is recorded here. Equivalent edit latency has been measuredUnmeasured No comparable end-to-end edit-timing distribution is recorded here.	0 of 4 conditions documented Comparable evidence for these conditions is not recorded here. Inspect conditions4 unmeasured Explicit file or collection context is documentedUnmeasured Exact context-selection behavior needs a documented or observed matched test; repository access alone does not prove surgical precision. Selected-element editing context is documentedUnmeasured Equivalent selected-element context has not been checked here. Equivalent before/after edit accuracy has been measuredUnmeasured No equivalent before/after edit-accuracy benchmark is recorded here. Equivalent edit latency has been measuredUnmeasured No comparable end-to-end edit-timing distribution is recorded here.	0 of 4 conditions documented Comparable evidence for these conditions is not recorded here. Inspect conditions4 unmeasured Explicit file or collection context is documentedUnmeasured Exact context-selection behavior needs a documented or observed matched test; repository access alone does not prove surgical precision. Selected-element editing context is documentedUnmeasured Equivalent selected-element context has not been checked here. Equivalent before/after edit accuracy has been measuredUnmeasured No equivalent before/after edit-accuracy benchmark is recorded here. Equivalent edit latency has been measuredUnmeasured No comparable end-to-end edit-timing distribution is recorded here.	0 of 4 conditions documented Comparable evidence for these conditions is not recorded here. Inspect conditions4 unmeasured Explicit file or collection context is documentedUnmeasured Exact context-selection behavior needs a documented or observed matched test; repository access alone does not prove surgical precision. Selected-element editing context is documentedUnmeasured Equivalent selected-element context has not been checked here. Equivalent before/after edit accuracy has been measuredUnmeasured No equivalent before/after edit-accuracy benchmark is recorded here. Equivalent edit latency has been measuredUnmeasured No comparable end-to-end edit-timing distribution is recorded here.	0 of 4 conditions documented Comparable evidence for these conditions is not recorded here. Inspect conditions4 unmeasured Explicit file or collection context is documentedUnmeasured Exact context-selection behavior needs a documented or observed matched test; repository access alone does not prove surgical precision. Selected-element editing context is documentedUnmeasured Equivalent selected-element context has not been checked here. Equivalent before/after edit accuracy has been measuredUnmeasured No equivalent before/after edit-accuracy benchmark is recorded here. Equivalent edit latency has been measuredUnmeasured No comparable end-to-end edit-timing distribution is recorded here.	0 of 4 conditions documented Comparable evidence for these conditions is not recorded here. Inspect conditions4 unmeasured Explicit file or collection context is documentedUnmeasured Exact context-selection behavior needs a documented or observed matched test; repository access alone does not prove surgical precision. Selected-element editing context is documentedUnmeasured Equivalent selected-element context has not been checked here. Equivalent before/after edit accuracy has been measuredUnmeasured No equivalent before/after edit-accuracy benchmark is recorded here. Equivalent edit latency has been measuredUnmeasured No comparable end-to-end edit-timing distribution is recorded here.	0 of 4 conditions documented Comparable evidence for these conditions is not recorded here. Inspect conditions4 unmeasured Explicit file or collection context is documentedUnmeasured Exact context-selection behavior needs a documented or observed matched test; repository access alone does not prove surgical precision. Selected-element editing context is documentedUnmeasured Equivalent selected-element context has not been checked here. Equivalent before/after edit accuracy has been measuredUnmeasured No equivalent before/after edit-accuracy benchmark is recorded here. Equivalent edit latency has been measuredUnmeasured No comparable end-to-end edit-timing distribution is recorded here.	0 of 4 conditions documented Comparable evidence for these conditions is not recorded here. Inspect conditions4 unmeasured Explicit file or collection context is documentedUnmeasured Exact context-selection behavior needs a documented or observed matched test; repository access alone does not prove surgical precision. Selected-element editing context is documentedUnmeasured Equivalent selected-element context has not been checked here. Equivalent before/after edit accuracy has been measuredUnmeasured No equivalent before/after edit-accuracy benchmark is recorded here. Equivalent edit latency has been measuredUnmeasured No comparable end-to-end edit-timing distribution is recorded here.
No-usage editing & recovery15 possible points	3 of 3 conditions documented Mapped direct text, link and color changes use 0% model usage; unsupported computed elements use the normal scoped-edit path. Inspect conditions0 unmeasured Some direct visual edits have a documented no-usage pathDocumented Mapped direct text, link and color changes use 0% model usage; unsupported computed elements use the normal scoped-edit path. Source A bounded runtime repair has been checked without customer usageRecorded Uvilno check A reproduced native-static runtime fault was repaired and rechecked without customer usage. This bounded path is rate-limited and does not cover every engine error. Source A previous saved state can be restored without model generationDocumented Saved-version and entitled per-file restores preserve checkpoints without invoking the generation model; verification still applies. Source	0 of 3 conditions documented Comparable evidence for these conditions is not recorded here. Inspect conditions3 unmeasured Some direct visual edits have a documented no-usage pathUnmeasured No-usage visual-edit terms have not been established here; absence of a recorded check is not a paid-only claim. A bounded runtime repair has been checked without customer usageUnmeasured The same injected fault and actual customer usage ledger have not been inspected on this product. A previous saved state can be restored without model generationUnmeasured A matched restore and usage-ledger check has not been run here; existing source-control features are described in the product comparison.	1 of 3 conditions documented The preview toolbar includes 100 free inline text edits per account, replenished after 24 hours, with a shared 2,000-edit workspace limit per 24 hours. Further edits use standard credits. Inspect conditions2 unmeasured Some direct visual edits have a documented no-usage pathDocumented The preview toolbar includes 100 free inline text edits per account, replenished after 24 hours, with a shared 2,000-edit workspace limit per 24 hours. Further edits use standard credits. Source A bounded runtime repair has been checked without customer usageUnmeasured The same injected fault and actual customer usage ledger have not been inspected on this product. A previous saved state can be restored without model generationUnmeasured A matched restore and usage-ledger check has not been run here; existing source-control features are described in the product comparison.	0 of 3 conditions documented Comparable evidence for these conditions is not recorded here. Inspect conditions3 unmeasured Some direct visual edits have a documented no-usage pathUnmeasured No-usage visual-edit terms have not been established here; absence of a recorded check is not a paid-only claim. A bounded runtime repair has been checked without customer usageUnmeasured The same injected fault and actual customer usage ledger have not been inspected on this product. A previous saved state can be restored without model generationUnmeasured A matched restore and usage-ledger check has not been run here; existing source-control features are described in the product comparison.	0 of 3 conditions documented Comparable evidence for these conditions is not recorded here. Inspect conditions3 unmeasured Some direct visual edits have a documented no-usage pathUnmeasured No-usage visual-edit terms have not been established here; absence of a recorded check is not a paid-only claim. A bounded runtime repair has been checked without customer usageUnmeasured The same injected fault and actual customer usage ledger have not been inspected on this product. A previous saved state can be restored without model generationUnmeasured A matched restore and usage-ledger check has not been run here; existing source-control features are described in the product comparison.	0 of 3 conditions documented Comparable evidence for these conditions is not recorded here. Inspect conditions3 unmeasured Some direct visual edits have a documented no-usage pathUnmeasured No-usage visual-edit terms have not been established here; absence of a recorded check is not a paid-only claim. A bounded runtime repair has been checked without customer usageUnmeasured The same injected fault and actual customer usage ledger have not been inspected on this product. A previous saved state can be restored without model generationUnmeasured A matched restore and usage-ledger check has not been run here; existing source-control features are described in the product comparison.	0 of 3 conditions documented Comparable evidence for these conditions is not recorded here. Inspect conditions3 unmeasured Some direct visual edits have a documented no-usage pathUnmeasured No-usage visual-edit terms have not been established here; absence of a recorded check is not a paid-only claim. A bounded runtime repair has been checked without customer usageUnmeasured The same injected fault and actual customer usage ledger have not been inspected on this product. A previous saved state can be restored without model generationUnmeasured A matched restore and usage-ledger check has not been run here; existing source-control features are described in the product comparison.	0 of 3 conditions documented Comparable evidence for these conditions is not recorded here. Inspect conditions3 unmeasured Some direct visual edits have a documented no-usage pathUnmeasured No-usage visual-edit terms have not been established here; absence of a recorded check is not a paid-only claim. A bounded runtime repair has been checked without customer usageUnmeasured The same injected fault and actual customer usage ledger have not been inspected on this product. A previous saved state can be restored without model generationUnmeasured A matched restore and usage-ledger check has not been run here; existing source-control features are described in the product comparison.	0 of 3 conditions documented Comparable evidence for these conditions is not recorded here. Inspect conditions3 unmeasured Some direct visual edits have a documented no-usage pathUnmeasured No-usage visual-edit terms have not been established here; absence of a recorded check is not a paid-only claim. A bounded runtime repair has been checked without customer usageUnmeasured The same injected fault and actual customer usage ledger have not been inspected on this product. A previous saved state can be restored without model generationUnmeasured A matched restore and usage-ledger check has not been run here; existing source-control features are described in the product comparison.	0 of 3 conditions documented Comparable evidence for these conditions is not recorded here. Inspect conditions3 unmeasured Some direct visual edits have a documented no-usage pathUnmeasured No-usage visual-edit terms have not been established here; absence of a recorded check is not a paid-only claim. A bounded runtime repair has been checked without customer usageUnmeasured The same injected fault and actual customer usage ledger have not been inspected on this product. A previous saved state can be restored without model generationUnmeasured A matched restore and usage-ledger check has not been run here; existing source-control features are described in the product comparison.
Multi-page & interactive applications15 possible points	2 of 3 conditions documented Contract-first route plans and reusable modules support multi-page frontends; saved legacy and eligible Next.js projects retain their respective runtimes. Inspect conditions1 unmeasured Multiple application or site pages are documentedDocumented Contract-first route plans and reusable modules support multi-page frontends; saved legacy and eligible Next.js projects retain their respective runtimes. Source An interactive Canvas or game workload has recorded evidenceDocumented The portable Canvas game runtime and authored interactive fixtures provide workload evidence, not a promise about every generated game. Source Frame time has been measured on matched hardware and workloadUnmeasured A matched hardware/workload frame-time study has not been published; 60 FPS is not guaranteed.	1 of 3 conditions documented Agent-led full-stack web and mobile app building. Inspect conditions2 unmeasured Multiple application or site pages are documentedDocumented Agent-led full-stack web and mobile app building. Source An interactive Canvas or game workload has recorded evidenceUnmeasured An equivalent interactive workload has not been run in this evaluation; this does not imply an inability to build games. Frame time has been measured on matched hardware and workloadUnmeasured No matched workload/device frame-time measurement is recorded here.	1 of 3 conditions documented AI builder for websites and full-stack web apps. Inspect conditions2 unmeasured Multiple application or site pages are documentedDocumented AI builder for websites and full-stack web apps. Source An interactive Canvas or game workload has recorded evidenceUnmeasured An equivalent interactive workload has not been run in this evaluation; this does not imply an inability to build games. Frame time has been measured on matched hardware and workloadUnmeasured No matched workload/device frame-time measurement is recorded here.	1 of 3 conditions documented Integrated AI app building, hosted backend and data management. Inspect conditions2 unmeasured Multiple application or site pages are documentedDocumented Integrated AI app building, hosted backend and data management. Source An interactive Canvas or game workload has recorded evidenceUnmeasured An equivalent interactive workload has not been run in this evaluation; this does not imply an inability to build games. Frame time has been measured on matched hardware and workloadUnmeasured No matched workload/device frame-time measurement is recorded here.	1 of 3 conditions documented Browser-based AI website and application development. Inspect conditions2 unmeasured Multiple application or site pages are documentedDocumented Browser-based AI website and application development. Source An interactive Canvas or game workload has recorded evidenceUnmeasured An equivalent interactive workload has not been run in this evaluation; this does not imply an inability to build games. Frame time has been measured on matched hardware and workloadUnmeasured No matched workload/device frame-time measurement is recorded here.	1 of 3 conditions documented AI UI and full-stack app development by Vercel. Inspect conditions2 unmeasured Multiple application or site pages are documentedDocumented AI UI and full-stack app development by Vercel. Source An interactive Canvas or game workload has recorded evidenceUnmeasured An equivalent interactive workload has not been run in this evaluation; this does not imply an inability to build games. Frame time has been measured on matched hardware and workloadUnmeasured No matched workload/device frame-time measurement is recorded here.	1 of 3 conditions documented Agent-assisted application building and development workspace. Inspect conditions2 unmeasured Multiple application or site pages are documentedDocumented Agent-assisted application building and development workspace. Source An interactive Canvas or game workload has recorded evidenceUnmeasured An equivalent interactive workload has not been run in this evaluation; this does not imply an inability to build games. Frame time has been measured on matched hardware and workloadUnmeasured No matched workload/device frame-time measurement is recorded here.	1 of 3 conditions documented AI-assisted coding environment for developer-led software work. Inspect conditions2 unmeasured Multiple application or site pages are documentedDocumented AI-assisted coding environment for developer-led software work. Source An interactive Canvas or game workload has recorded evidenceUnmeasured An equivalent interactive workload has not been run in this evaluation; this does not imply an inability to build games. Frame time has been measured on matched hardware and workloadUnmeasured No matched workload/device frame-time measurement is recorded here.	1 of 3 conditions documented Visual website design and managed publishing. Inspect conditions2 unmeasured Multiple application or site pages are documentedDocumented Visual website design and managed publishing. Source An interactive Canvas or game workload has recorded evidenceUnmeasured An equivalent interactive workload has not been run in this evaluation; this does not imply an inability to build games. Frame time has been measured on matched hardware and workloadUnmeasured No matched workload/device frame-time measurement is recorded here.	1 of 3 conditions documented Visual website platform, CMS and managed publishing. Inspect conditions2 unmeasured Multiple application or site pages are documentedDocumented Visual website platform, CMS and managed publishing. Source An interactive Canvas or game workload has recorded evidenceUnmeasured An equivalent interactive workload has not been run in this evaluation; this does not imply an inability to build games. Frame time has been measured on matched hardware and workloadUnmeasured No matched workload/device frame-time measurement is recorded here.
Comparable overall score	Not measured	Not measured	Not measured	Not measured	Not measured	Not measured	Not measured	Not measured	Not measured	Not measured

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Read the proposed scoring and test protocol

Each listed condition has a five-point allocation. This page records evidence, not awarded performance points. “Documented” identifies a stated capability with its requirements. “Recorded Uvilno check” identifies a named first-party fixture; it is not independent comparative testing. “Unmeasured” leaves the condition open. Source-access purchases, annual subscriptions and operating services are different costs.

Code ownership & export cost
Build the same app, obtain its complete source, record the actual purchase, and rebuild on a separate host. Test continued source access and document the backend services that still need migration.
Database, accounts & app AI
Create, edit and remove the same records; reload; repeat with another account; check record permissions; run a real app-AI request and inspect a triggered automation. Record each managed or external dependency.
Targeted edit precision & speed
Apply the same specified changes to matched projects. Compare exact file deltas, verify the rendered target and unchanged routes, and record end-to-end timings including verification. Publish failures as well as successes.
No-usage editing & recovery
Make the same direct edit and introduce the same reproducible fault. Inspect actual usage ledgers, repair limits and saved-version behavior. A limited free path must not be described as unlimited free coding.
Multi-page & interactive applications
Build and navigate the same route plan, exercise state across pages, then measure frame time and input response on named devices. Framework support or an attractive screenshot does not establish a universal 60 FPS result.

A published 4–8 second edit claim needs timing data. A 60 FPS claim needs a named workload, device and frame-time record. Neither is inferred from feature availability, code export or a screenshot. The recorded checks and open evaluation protocol describe the current measurement boundary.

Choose an operating model.

Key takeaway, October 2026. Uvilno is a frontend app studio with typed hosted data, real in-app AI, transactional automation rules and a permanent $4.99 project source unlock. Base44, Lovable and Emergent also document app backends and source handoff. Compare data ownership, runtime dependencies and the same end-to-end workflow before choosing.

There is no measured universal winner in this guide. The table separates documented capabilities from Uvilno's recorded integration checks, and source-access prices from the cost of operating a live app.

Define “finished” before you compare.

For a local business, finished might mean six clear pages, a working enquiry form and an easy way to edit service information. For a SaaS founder, it may include private accounts, billing, an admin workflow and a database. Those are different projects even if both start with a landing page. A prompt-to-preview demonstration can hide that difference.

Write down the visitor's complete journey and the deliverable you expect to keep: a hosted site, a repository, a CMS publishing system or a source archive. Then identify the person responsible for maintenance. The product with the broadest feature list is not automatically the most useful choice for that person.

Our selection criteria are workflow fit, source handoff, operating dependencies and transparent costs. We do not rank design quality with invented scores. The profiles below deliberately identify where another product may fit better than Uvilno.

Ten tools. Different starting points.

Uvilno

Explore the website workflow

For an owner who wants to describe a website or data-backed frontend app, review an isolated live preview, use typed collections and app AI, then purchase source access when the result is worth keeping. Free starts at $0 with finite AI usage; a project unlock is $4.99 once. Plus is $10/month, Pro $20/month and Ultra $59/month.

Budget production hosting separately for the export. Managed forms, identities, records and payment connectors can introduce service dependencies; Stripe payments remain in test mode unless live configuration and release availability permit otherwise. Uvilno is the publisher of this guide.

Emergent

Detailed comparison

Choose Emergent when a full-stack web or mobile application, backend logic and an agent-driven deployment workflow are central to the brief.

The displayed Standard offer is $20/month equivalent under Annual billing ($240/year). A month-to-month checkout price is not verified here. Deployment and additional credits can add cost. Official pages disagree on the free grant and annual presentation, so neither is assumed here.

A broader app platform can remove infrastructure setup, but its runtime and deployment costs belong in the budget. A source handoff still leaves hosting and service configuration to you.

Official pricing and plan source

Lovable

Detailed comparison

Choose Lovable for a web application with managed Cloud services, a visual editor and repository synchronization.

Pro 100: $25 billed monthly, or $250 paid for a year. Annual payment is upfront. Building, Cloud, app AI and some connectors consume credits. Usage and third-party services can exceed the included grants.

Both can produce portable source. Their starting workflows and service dependencies differ; ownership does not automatically migrate a database or authentication service.

Official pricing and plan source

Base44

Detailed comparison

Choose Base44 when an integrated app platform with its own data dashboard, hosted backend, access controls and scheduled or event-driven workflows suits your operating model.

Starter is displayed at $16/month billed annually ($192 upfront). Builder, which lists GitHub integration, is $40/month billed annually ($480 upfront). The captured offer uses annual billing. Monthly checkout, credit consumption, integration quotas and any third-party charges must be checked separately; Starter is not the GitHub-export comparison plan.

Both offer source handoff and managed backend services. Exporting files does not itself migrate records, identities, credentials or the hosted services those files call. Compare the actual exit plan, not a claim of universal zero lock-in.

Official pricing and plan source

Bolt.new

Detailed comparison

Choose Bolt when you want an in-browser development environment, app services and a hosted publishing path alongside AI editing.

Entry Pro is $25 billed monthly. No unverified annual discount is applied. Entry Pro includes 10 million monthly tokens. Model work, hosting limits and any external services still need capacity planning.

Bolt bundles a broader development and hosting workflow. Uvilno's source purchase makes the handoff explicit, with production hosting chosen separately.

Official pricing and plan source

v0

Detailed comparison

Choose v0 when React or Next.js development, a shared codebase and Vercel deployment are important to the project.

Plus is $30 per user per month at the checked published offer; one user is modeled. Additional credits and Vercel hosting/team charges may apply. The crossed-out reference price is not treated as a permanent guarantee.

v0 is closely integrated with the Vercel development workflow while also allowing source export. Hosting and team subscriptions are separate budget decisions.

Official pricing and plan source

Replit Agent

Detailed comparison

Choose Replit Agent when the project needs a development workspace, backend services and a running application under one platform.

The current official pricing page did not expose a verifiable Core amount in accessible text. Enter your confirmed current monthly quote below. Older indexed Core prices are deliberately excluded. Agent effort, deployments, database and network usage can be separately metered.

Replit combines development and application operations. That convenience comes with several metered resources, so a subscription alone is not a complete deployment quote.

Official pricing and plan source

Cursor

Detailed comparison

Choose Cursor when a developer needs an AI-assisted code editor, repository control and flexibility over the application stack.

Current Plus is $8 monthly or $80 annually upfront. Included Cursor models are Grok and Composer; third-party models are not included on Plus. Premium is $30 monthly for a broader feature set; third-party model usage is billed separately. Legacy Pro pricing is not used.

Cursor is a coding environment rather than a like-for-like managed website studio. Developer time, deployment and service setup belong in its budget.

Official pricing and plan source

Framer

Detailed comparison

Choose Framer for a visual design canvas, hosted marketing site, CMS content and an ongoing publishing workflow.

Basic is advertised at $10/month with yearly billing: $120 paid upfront for one site. Additional editors, add-ons, usage and higher CMS needs can change the total. This is not a verified monthly-billing rate.

Framer's managed publishing is convenient for a design-led site. Its official documentation does not offer HTML export for independent self-hosting, which is a meaningful distinction for source handoff.

Official pricing and plan source

Webflow

Detailed comparison

Choose Webflow when a visual website system, structured CMS content and an ongoing managed publishing workflow are the main requirements.

Basic site: $15/month billed yearly ($180 upfront). This models hosted publishing, not a paid export workspace. Code export requires a qualifying paid Workspace plan. Core Workspace is separately advertised at $19/month billed yearly; CMS and other services are not exported as a working backend.

Webflow separates site hosting plans from workspace features such as code export. Price the specific combination you need rather than assuming every paid site can export all its services.

Official pricing and plan source

The 24-point decision matrix.

Compare the exact workflow you need. Every product gets the same space. Each competitor's full comparison links the underlying source for every row.

Compare products

24 documented criteria across ten website and application tools
Criterion	Uvilno	Emergent	Lovable	Base44	Bolt.new	v0	Replit Agent	Cursor	Framer	Webflow
Primary job	Conversation-led websites and data-backed frontend apps, isolated preview and source handoff.	Agent-led full-stack web and mobile app building. Source	AI builder for websites and full-stack web apps. Source	Integrated AI app building, hosted backend and data management. Source	Browser-based AI website and application development. Source	AI UI and full-stack app development by Vercel. Source	Agent-assisted application building and development workspace. Source	AI-assisted coding environment for developer-led software work. Source	Visual website design and managed publishing. Source	Visual website platform, CMS and managed publishing. Source
Paid entry plan	Plus $10/month; individual source unlock $4.99 once per project.	Standard displays $20/month equivalent billed annually; monthly checkout is unverified here. Source	Pro 100: $25 monthly or $250 annually upfront. Source	Starter $192/year; GitHub-listed Builder $480/year, annual billing. Source	Entry Pro $25/month, billed monthly. Source	Plus is advertised at $30/user/month. Source	Core exists; verify its current price at checkout. Source	Plus $8 monthly / $80 annually; Cursor-model allowance, no third-party models. Source	Basic $10/month equivalent, billed yearly ($120 upfront). Source	Basic site $15/month billed yearly ($180 upfront). Source
Free starting point	$0 plan with limited included AI usage; source stays locked until entitled.	Free tier exists; official free-credit descriptions differ. Source	Free plan includes capped daily build grants and limited Cloud/app-AI grants. Source	Free includes 25 monthly message credits and 100 integration credits. Source	Free includes 1M monthly tokens with a 300K daily limit. Source	Free lists seven daily messages, Design Mode, Vercel deployment and GitHub sync. Source	Starter provides limited AI and a time-limited published-app allowance. Source	Free has limited Agent and Chat requests. Source	Free Framer domain, limited bandwidth and trial AI credits. Source	Starter includes two static pages and a Webflow.io domain. Source
Source access	Inspection and raw source require a permanent project unlock.	Code view; GitHub save on Standard and above. Source	Repository sync is available; direct download depends on plan. Source	In-app code editing; repository workflows through Base Code. Source	Code view and a downloadable project are documented. Source	Code viewer, repository integration and export. Source	Development workspace contains editable project files. Source	Read and edit project files directly in the Agent workflow. Source	Work in Framer's visual project and supported code components. Source	Visual designer; code export is a paid Workspace feature. Source
Code export	Unlocked ZIP includes source, project images, bundled fonts and licenses.	Save source through GitHub; copy individual files in Code view. Source	Export source and move hosting; services require separate migration. Source	Advertises ownership and two-way GitHub source export; plan conditions apply. Source	Download a project or use GitHub for source handoff. Source	Source can be exported and deployed outside Vercel. Source	Plan source, dependencies and service data as separate handoff items. Source	Project files are edited in the development workspace; no per-site source unlock. Source	Officially no HTML export for independent self-hosting. Source	HTML/CSS/JavaScript/assets export with important feature exclusions. Source
Technical foundation	HTML/CSS/JavaScript; eligible projects use a Next.js static-export workflow.	Full-stack projects with backend and infrastructure support. Source	New apps use TanStack Start; older projects may use React and Vite. Source	App source plus managed Base44 backend services and developer tooling. Source	Web development environment with supported frameworks and packages. Source	React, Next.js, TypeScript, Tailwind and shadcn/ui workflows. Source	A general development platform with app runtime services. Source	Developer chooses the framework, dependencies and runtime. Source	Framer-managed rendering, assets and hosting infrastructure. Source	Visual site model; exported static assets differ from hosted app services. Source
Design workflow	Describe the audience and brand; add images and visual references.	Prompt-driven app creation and iterative requirements. Source	Prompting with a visual editor and preview environment. Source	AI chat, visual editor, design controls and project references. Source	Prompting, image references and visual edits. Source	Text, screenshots, Figma inputs and Design Mode. Source	Agent-led implementation from natural-language requirements. Source	Developer-led implementation with AI assistance. Source	Visual design canvas, CMS and AI-assisted work. Source	Visual styling, components, CMS and AI features. Source
Refinement	Chat edits, saved versions and mapped Inspect & Edit controls.	Agent changes and follow-up prompts. Source	Chat changes and repository-backed development. Source	AI edits and repository-based changes with a development preview. Source	Plan Mode, Code view, follow-up prompts and restoration. Source	Chat, code edits, versions and GitHub branches. Source	Effort-based Agent work and developer-controlled edits. Source	Agent edits and code review in a development workflow. Source	Edit the design and content within the platform. Source	Edit and publish through Webflow's design and content tools. Source
Preview and review	Interactive preview runs on a separate origin; review desktop and phone layouts.	Build and review an application before deployment. Source	Preview environments before publishing. Source	Preview changes and review branch-based repository work. Source	In-browser preview controls and project review. Source	Branch preview deployments and production review. Source	Development review and published deployment are separate stages. Source	Agent can run terminal commands and inspect applications through its browser tools. Source	Published site workflow; staging/branch features vary by plan. Source	Review a staged site before publishing changes. Source
Hosting	Publish Studio serves an explicitly published version; exported source can also run on another host. Service limits apply.	Managed deployment uses a separate credit allowance. Source	Managed Lovable hosting or your own infrastructure. Source	Apps use Base44 hosting and backend infrastructure. Source	Website hosting is included, with plan-dependent capacity. Source	Publishing deploys to a connected Vercel project. Source	Deployment resources have usage-based billing rules. Source	Plan production hosting independently from editor usage. Source	Managed hosting is part of the site plan. Source	Site plans provide managed hosting; Workspace billing is separate. Source
Custom domains	Verified custom domains are available for entitled projects through Publish Studio; external hosting has its own DNS workflow.	Custom-domain deployment is documented; check deployment charges. Source	Custom-domain workflow is documented; plan and DNS requirements apply. Source	Paid plans list domain connection; check exact plan and DNS setup. Source	Custom domains and branding removal on paid plans. Source	Custom domains are managed through the Vercel project. Source	Production domain setup belongs to the deployment workflow. Source	Configure domains through the selected hosting provider. Source	Paid plans support connecting your own domain. Source	Paid site plans support a custom domain. Source
Database and backend	Typed Uvilno.db collections, persistent CRUD and App Data; hosted services remain a dependency after export.	Backend and database workflows are part of the app platform. Source	Built-in Cloud backend with database, storage and compute billing. Source	Built-in entities, records and a data dashboard; test and production data controls. Source	Bolt Cloud databases and supported external providers. Source	Database and API integrations; provision services as needed. Source	Production databases, compute and network resources are metered. Source	Choose and operate backend/database providers yourself. Source	CMS collections with plan limits; external app services need integration. Source	CMS is in applicable site plans; its database is not included in code export. Source
Visitor authentication	Project-scoped managed visitor identities when enabled; not a portable identity database by ZIP alone.	Generated app login requires configuration and testing. Source	App authentication is part of the backend configuration. Source	App sign-in and role/access settings; data permissions require review. Source	Authentication integrations are part of the app-building workflow. Source	Implement app authentication with the chosen provider. Source	App authentication requires a configured and reviewed implementation. Source	Implement and configure an authentication provider. Source	Site password features differ from a full visitor-account application. Source	User account behavior does not transfer in a static code export. Source
Payments	Stripe test Checkout connector; live use depends on configuration and release availability.	App integrations require the relevant provider setup. Source	Payment integrations require provider credentials and testing. Source	Payments and Stripe setup are documented integrations, not a source-export entitlement. Source	Stripe integration is documented; configure your account. Source	Commerce setup can include Stripe or Shopify; claim/configure services. Source	Payment behavior needs provider integration, secrets and end-to-end testing. Source	Implement provider SDKs, server validation and payment flows. Source	Commerce and payment requirements need a specific supported integration. Source	Ecommerce functionality is excluded from the static source export. Source
Existing code and Git	GitHub import, push and pull for supported frontends; source pushes require unlock.	GitHub source handoff on Standard and above. Source	Two-way GitHub, GitLab and Bitbucket sync; existing-repo import differs. Source	GitHub integration on Builder and above; Base Code edits connected repositories. Source	GitHub import, sync and branch workflows. Source	GitHub-backed branches, pull requests and CI workflows. Source	Development workspace for maintaining application code. Source	Repository-centric work; Premium adds Origin hosting and Bugbot features. Source	Design platform rather than an arbitrary code-repository editor. Source	Static code export is distinct from ongoing repository-based app editing. Source
SEO workflow	Generated page metadata and structure need review; rankings and traffic are not guaranteed.	Review generated content, routes and metadata before launch. Source	SEO tools exist; review crawlability and final content. Source	Review generated pages and published metadata; ranking is not guaranteed. Source	Paid plans list SEO boosting; audit the actual published pages. Source	Framework metadata and rendered routes need your review. Source	Review generated routes, rendered metadata and public access. Source	Developer implements metadata, rendering and crawl controls. Source	Built-in SEO; inspect final metadata, links and content. Source	Platform SEO tools; review content and export behavior. Source
Usage limits	Finite AI usage on every plan. Unlimited source unlocks are not unlimited generation.	Standard includes 100 credits; additional credits can be purchased. Source	A shared credit balance funds build, runtime and supported integrations. Source	Separate message and integration credit allowances with plan-dependent limits. Source	Tokens are limited; large context and changes affect consumption. Source	Plus includes credits; model token rates and extra usage apply. Source	Agent effort and runtime resources are not unlimited. Source	Plan usage is limited; third-party models have separate usage charges. Source	AI credits, bandwidth, CMS and editor limits depend on plan. Source	Pages, bandwidth, AI and CMS limits depend on site/workspace plan. Source
Moving away	Static source can move to your host; managed auth, data, forms and payments may need migration.	Exported code excludes secrets and application data; migrate those separately. Source	Code and data can move; replace or reconfigure backend, AI and connector calls. Source	Source ownership is documented; migrate backend data and connected services separately. Source	Source can be self-hosted; migrate database and service dependencies too. Source	Exported code can move; reconfigure framework runtime and service integrations. Source	A migration must include runtime, environment variables and production data. Source	Project source remains yours; infrastructure and licenses still matter. Source	Independent source hosting requires rebuilding rather than native HTML export. Source	Static export can move; CMS, ecommerce, forms and other services need replacement. Source
Declarative data and studio	data/schema.json declares typed collections; App Data manages actual owned and shared records.	Database Viewer and generated backend; export records separately from code. Source	Built-in backend with database tables and record editing in the project tools. Source	Typed entities and visual record management are part of the built-in backend. Source	Bolt Cloud creates databases and provides a data table, logs and user tools. Source	Database integrations provision a chosen provider; generated application code uses that service. Source	Managed database development and deployment are documented platform capabilities. Source	Works with databases in your project; a managed app database is not established by this pricing page. Source	CMS collections organize published content; they are not a general app-record ORM. Source	CMS content records and APIs; a static code export excludes the hosted CMS backend. Source
In-app AI	Uvilno.ai.ask/json runs real owner-funded inference; 600-token replies and admission limits apply.	One-click LLM integration is listed; app configuration and usage still apply. Source	Managed app AI connector provides real model calls and workspace usage billing. Source	invokeLLM and app agents use supported managed model presets. Source	AI integrations can be implemented in the project; this review did not measure an app-AI proxy. Source	App AI can be implemented with model/provider services; verify runtime billing separately. Source	Agent-generated application integrations need their own runtime and provider configuration. Source	Coding-agent model access is distinct from app visitors' inference infrastructure. Source	AI design agents are listed; app-user inference is a separate integration question. Source	Webflow AI supports building/content workflows; visitor AI needs an app integration. Source
Database automations	Bounded create/update/remove rules and notifications commit atomically; inspect Automations & Logs.	Custom backend logic can be generated; an equivalent atomic rule contract was not measured here. Source	Backend functions and scheduled jobs are documented; execution differs from Uvilno's bounded atomic rules. Source	Scheduled, data-event and connector triggers; workflows are replacing automations. Source	Server functions and connected services can implement workflows; no atomic-rule equivalence is claimed. Source	Generated server code can implement workflows; no Uvilno-style rule parity was tested. Source	Application code and deployment services determine background-work behavior. Source	Cloud agent automations concern development; app database workflows remain project code. Source	Publishing and content tooling differ from arbitrary transactional app database rules. Source	CMS APIs and application integrations differ from a bundled per-record transactional rule SDK. Source
Role views and authorization	Guest/Member/Admin previews change presentation only; real visitor permissions remain server-enforced.	Emergent Auth supports visitor accounts; generated authorization needs testing. Source	Backend users and sign-in tools; actual access follows configured permissions. Source	App access and role settings; data permissions remain a separate security configuration. Source	Cloud authentication and user management; verify app-level authorization. Source	Application roles and authentication depend on generated code and connected providers. Source	Generated app authentication and access checks must be configured and tested. Source	Your application implements visitor roles; editor/team permissions are a different boundary. Source	Editor roles and site password protection are not per-record visitor authorization. Source	Site/Workspace governance is distinct from generated app visitor permissions. Source
Focused edit context	@file, @page, @db and inspected-element references guide bounded source retrieval with a repo map.	Agent chat and Code view provide project editing; no edit-time benchmark was run. Source	Chat, generated modules and repository sync; no same-brief timing benchmark was run. Source	Base Code edits connected repositories with branch previews and commit history. Source	Code view, prompting and GitHub version control; no fixed edit latency established. Source	Code changes and GitHub branches support precise development; no edit-speed ranking established. Source	An editable development workspace and Agent operate on the project codebase. Source	Repository-aware coding and agent tools in your development environment. Source	Visual design, components and overrides; native HTML source export is not supported. Source	Visual designer, code components and export rather than a source-first chat-only workflow. Source
Repair and interaction cost	Mapped visual edits cost 0% usage. Limited reproduced static-runtime repairs are platform-funded; ordinary AI edits are metered.	Testing, debugging and troubleshooting consume credits in the published credit model. Source	Build/chat and app runtime use the documented credit balance; check action-specific charges. Source	Building and live integration work use distinct message/integration credit allowances. Source	Reading and modifying project files consumes model tokens under its usage model. Source	Messages consume model-priced tokens/credits; Design Mode is a separate editing workflow. Source	Agent work uses effort-based billing; operating resources have their own charges. Source	AI pool and separately billed third-party model usage depend on the selected subscription. Source	Agents consume credits; editor/hosting charges follow their respective plan rules. Source	AI and hosting allowances vary by plan; verify the action and service being billed. Source

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What was actually verified.

Uvilno's October 27 integration run exercised real hosted services with a code-authored fixture. It was not an independently scored CRM-generation contest or a test of the other products in this guide. We publish the boundary so a passing SDK check cannot be mistaken for a universal build-completion rate.

Compare products

Uvilno integration observations; competitor results were not measured
Check	Uvilno: observed result	the other products in this guide
Saved data	A task was persisted through the actual SDK and recovered after an iframe reload.	Not measured in this run. Official capability documentation is linked separately.
Database effects	Task creation wrote an activity record and notification in the same transaction.	Not measured in this run. Official capability documentation is linked separately.
Account boundaries	Guest/Member/Admin view changes preserved the real visitor and creator identities.	Not measured in this run. Official capability documentation is linked separately.
Targeted recovery	A reproduced static ReferenceError was repaired in app.js and browser-checked without a customer usage-ledger entry.	Not measured in this run. Official capability documentation is linked separately.

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Real free-model text and JSON app inference also passed locally; the production replay verified persistence, automations and isolation without additional inference. No cross-vendor latency, aesthetic score, completion percentage or total operating cost was measured. Read the machine-readable evidence and methodology.

Three decisions behind the interface.

Static site, managed CMS or full-stack app?

A static site can be simple to host and hand over, but live account records, bookings or transactions need services. A managed CMS gives editors a structured publishing workflow. A full-stack app platform supplies more runtime behavior, with more configuration and operational responsibilities. Choose the architecture from the visitor journey rather than adding application infrastructure just because a tool offers it.

Source ownership and service portability

Source access is useful, but it is not the same as a complete independent system. Check the build process, fonts and image rights, environment variables, database exports, authentication and API connections. An export that calls a platform-hosted service keeps a dependency until that service is replaced. Ask whether you can run a clean copy on another host and recover real data from a backup.

Generation, publishing and operating budgets

Plan prices may be monthly subscriptions, annual commitments, per-seat offers or per-site hosting charges. Generation consumes credits or tokens in different ways, so raw credit totals do not measure equivalent work. Once launched, compute, traffic, storage and app AI can continue consuming resources. Track build spend and operating spend separately, and include the labor of whoever maintains the site.

Use the same brief for your shortlist.

Pick two or three plausible tools. Supply the same real content, image assets, pages and success criteria to each. Record what you spend, what you change manually and which tasks need another provider. A small, representative project tells you more than an unsupported claim that one platform is always fastest or cheapest.

Review the complete visitor journey

Open the result on a phone. Navigate with a keyboard. Follow the primary action from its first button through confirmation and failure states. Check that a contact form reaches the intended destination, accounts are isolated appropriately and payment behavior uses the intended mode. Replace illustrative records and business claims with real, approved content.

Test the handoff before the deadline

If source delivery is required, obtain the actual package or repository and run its documented build outside the builder. Verify assets, secrets configuration, service dependencies and the deployment target. If you prefer a managed visual platform, test the editor permissions, CMS workflow, backups and subscription changes instead. The right test follows the chosen operating model.

Keep a realistic exit plan

A future migration may involve code, content, DNS, records and account identities. Do not store the only copy of business content in an unreviewed preview. Keep a record of who controls each provider account and which costs recur. That is useful whether you choose Uvilno or another product.

Build your annual budget.

Published plan prices are a starting point. Add the costs your actual website needs; this is a budget worksheet, not a price quote or a measured savings claim.

Uvilno planAll plans have finite AI usage.New source unlocks each monthAssumes the same number in each of 12 paid/calendar months. Extra unlocks are $4.99 each.Lovable billing assumptionPro 100. One seat or one site, unless stated otherwise.Uvilno additional usage/services budget (USD/month)Optional planning allowance above included usage; not a published add-on quote.Lovable additional usage/services (USD/month)Optional budget for model credits, runtime, seats or other services above the selected plan.Uvilno export: hosting + domain budget (USD/year)Choose a host and domain yourself. Enter the actual or planned annual spend.Lovable: extra hosting + domain (USD/year)Add only charges not already included in the selected subscription.

Your 12-month worksheet

Uvilno$59.88

Lovable$300.00

Uvilno subscription: $0.00
Uvilno additional source unlocks: $59.88
Uvilno extra usage/services budget: $0.00
Uvilno hosting/domain budget: $0.00
Lovable subscription: $300.00
Lovable extra usage/services: $0.00
Lovable extra hosting/domain: $0.00

Zero in an optional field means that cost is excluded from this worksheet. It does not mean unlimited or free generation, provider usage, hosting or domains. Taxes, currency conversion and labor are excluded.

Source unlocks persist. This worksheet models new projects at an even monthly pace; Plus's two included unlocks must be used in their paid month. Existing unlocked sites do not require another unlock.

Configured monthly AI capacity: Pro is 2.5× Plus; Ultra is 5× Pro. These are usage-capacity ratios, not a guaranteed number of builds.

This example uses Lovable Pro 100. Each individual comparison includes a calculator with that vendor's published billing assumption and any verification limits.

Questions before you choose.

What is the best AI website builder in 2026?

There is no universal winner. Choose a website studio for a reviewed marketing site, a managed visual platform for continuing CMS publishing, or an application/development platform for backend workflows. This guide is authored by Uvilno and compares documented capabilities rather than claiming an independent quality ranking.

Which builders let me take the source code?

Uvilno unlocks source per project or through plan entitlements. Lovable, Bolt, v0 and Emergent document source handoff options. Cursor works with a development project. Webflow export requires a qualifying Workspace and excludes hosted features; Framer does not offer native HTML export for self-hosting. Verify the exact plan and project dependencies.

Is a cheap subscription the total cost of a live website?

Usually it is only one line item. AI usage, seats, runtime, domain registration, hosting, database storage and transactions can add cost. Some managed plans include some of these within limits. Compare the same deliverable over the same period.

Does an AI-generated website need testing?

Yes. Review content, links, keyboard use, narrow screens, form delivery and any data or payment flow. A visually convincing preview is not evidence that business processes, privacy or production infrastructure are correct.

Are the products in this guide independently benchmarked?

No. This is an editorial comparison written by Uvilno using official product documentation and Uvilno's own implementation. It contains no fabricated speed tests, star ratings or claim that every competing product was tested firsthand.

Try your own brief.

A product comparison can narrow the options. Your own content, constraints and review decide the fit.

The brief is preloaded for you to review. AI generation starts only when you send it. Included usage is limited; source access requires unlock.

Check the architecture. Compare the tradeoffs.

Follow the data model, account boundary and source handoff before choosing a builder.

Official sources, openly linked.

Sources checked 2026-10-27. Detailed pages attach individual claims to the relevant vendor documentation. Unavailable or conflicting amounts are disclosed rather than filled with an estimate.

Emergent: Emergent plansChecked 2026-10-27
Emergent: Emergent website builder and deployment FAQChecked 2026-10-27
Emergent: Emergent data and code ownershipChecked 2026-10-27
Emergent: Emergent product FAQChecked 2026-10-27
Emergent: Emergent free-tier grant termsChecked 2026-10-27
Emergent: Emergent credit accounting and testing costsChecked 2026-10-27
Lovable: Lovable subscription plansChecked 2026-10-27
Lovable: Lovable credits and usageChecked 2026-10-27
Lovable: Lovable deployment, hosting and ownershipChecked 2026-10-27
Lovable: Lovable Git syncChecked 2026-10-27
Lovable: Lovable built-in backend and jobsChecked 2026-10-27
Lovable: Lovable managed AI features for appsChecked 2026-10-27
Base44: Base44 plans, included services and source ownershipChecked 2026-10-27
Base44: Base Code and GitHub repository workflowChecked 2026-10-27
Base44: Base44 app data managementChecked 2026-10-27
Base44: Base44 access and rolesChecked 2026-10-27
Base44: Base44 automation triggers and workflow migrationChecked 2026-10-27
Base44: Base44 Stripe payment integrationChecked 2026-10-27
Base44: Base44 app inference and supported modelsChecked 2026-10-27
Bolt.new: Bolt pricing and plan limitsChecked 2026-10-27
Bolt.new: Build and refine with BoltChecked 2026-10-27
Bolt.new: Bolt GitHub integrationChecked 2026-10-27
Bolt.new: Bolt project download and WebContainer troubleshootingChecked 2026-10-27
Bolt.new: Bolt Cloud data and user managementChecked 2026-10-27
Bolt.new: Bolt model-token usageChecked 2026-10-27
v0: v0 current pricingChecked 2026-10-27
v0: v0 product and export FAQChecked 2026-10-27
v0: v0 deploymentsChecked 2026-10-27
v0: v0 teams and Vercel billingChecked 2026-10-27
Replit Agent: Replit current pricingChecked 2026-10-27
Replit Agent: Replit Core planChecked 2026-10-27
Replit Agent: Replit Starter planChecked 2026-10-27
Replit Agent: Replit AI billingChecked 2026-10-27
Replit Agent: Replit usage-based billingChecked 2026-10-27
Cursor: Cursor current pricingChecked 2026-10-28
Cursor: Cursor models and pricingChecked 2026-10-28
Cursor: Cursor Agent tools and workflowChecked 2026-10-28
Framer: Framer site plansChecked 2026-10-27
Framer: Framer HTML export and self-hosting policyChecked 2026-10-27
Framer: Framer subscriptions and chargesChecked 2026-10-27
Webflow: Webflow current site and workspace pricingChecked 2026-10-27
Webflow: Webflow code export requirements and exclusionsChecked 2026-10-27
Uvilno plans and source unlocksChecked 2026-10-27

Read the public Markdown reference

The best AI website builder for your work.

Full-stack evaluation rubric.

Code ownership & export cost

Database, accounts & app AI

Targeted edit precision & speed

No-usage editing & recovery

Multi-page & interactive applications

Choose an operating model.

Define “finished” before you compare.

Ten tools. Different starting points.

Uvilno

Emergent

Lovable

Base44

Bolt.new

v0

Replit Agent

Cursor

Framer

Webflow

The 24-point decision matrix.

What was actually verified.

Three decisions behind the interface.

Static site, managed CMS or full-stack app?

Source ownership and service portability

Generation, publishing and operating budgets

Use the same brief for your shortlist.

Review the complete visitor journey

Test the handoff before the deadline

Keep a realistic exit plan

Build your annual budget.

Your 12-month worksheet

Questions before you choose.

Try your own brief.

Check the architecture. Compare the tradeoffs.

Compare builders

Plan a full-stack app

Review the evidence

Official sources, openly linked.