# Bolt.new vs v0 (2026): app runtime, backend and Git workflow

Canonical: https://uvilno.com/compare/bolt-vs-v0
Updated: 2026-10-28

Bolt.new and v0 both address more than isolated UI components. Bolt documents managed cloud services, while v0 documents an app workflow with an editor, Git integration, deployments and backend integrations. The useful distinction is the runtime and operating workflow that fits the project. Verify the chosen framework, service configuration, hosting bill and repository review process rather than describing v0 as UI-only or Bolt as lacking a backend.

## 2026 full-stack engineering evaluation rubric

Uvilno first because Uvilno publishes this comparison; not a measured rank. The five publisher-selected criteria total 100 points. A documented capability is not an equivalent hands-on result. Unknown checks stay unmeasured, never failed. Overall scores remain null until a comparable test protocol is completed.

- **Code ownership & export cost: 25 possible points.** 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: 25 possible points.** 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: 20 possible points.** 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: 15 possible points.** 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: 15 possible points.** 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.

### Uvilno

Overall score: not measured. 17 documented or recorded checklist conditions; 3 unmeasured; 0 explicitly unmet. This is evidence coverage, not product quality.

**Code ownership & export cost**
- Documented: An owned, unlocked project can export its runtime-appropriate source and referenced media. Sources: https://uvilno.com/docs.
- Documented: Supported frontends can use authorized GitHub import, push and pull; a source push requires unlock. Sources: https://uvilno.com/docs.
- Documented: 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. Sources: https://uvilno.com/pricing.
- Documented: The $4.99 purchase permanently unlocks one project's source; subscription generation remains finite. Sources: https://uvilno.com/pricing.
- Documented: Source export is not a copy of managed records, visitor identities, payment credentials or hosted services. Sources: https://uvilno.com/docs.

**Database, accounts & app AI**
- Documented: Uvilno.db CRUD and App Data use schema-declared, persistent app records. Sources: https://uvilno.com/benchmarks.
- Documented: Managed visitor identities are isolated per project from the creator's platform session. Sources: https://uvilno.com/benchmarks.
- Documented: Uvilno.ai.ask/json makes real owner-funded calls; admission limits and a 600-output-token ceiling apply. Sources: https://uvilno.com/benchmarks.
- Documented: data/schema.json declares collection fields and access; the runtime exposes validated data operations. Sources: https://uvilno.com/docs.
- Documented: Bounded record effects and notifications execute in the triggering record transaction; arbitrary server code, email and network actions are outside this rules engine. Sources: https://uvilno.com/benchmarks.

**Targeted edit precision & speed**
- Documented: @file, @page, @db and bounded repository retrieval supply explicit context. Sources: https://uvilno.com/docs.
- Documented: The mapped inspector supplies selected-element context or a supported direct text, link or color change. Sources: https://uvilno.com/docs.
- Unmeasured: Recorded targeted checks do not establish a comparative edit-accuracy rate across vendors.
- Unmeasured: No matched cross-vendor timing establishes a universal 4–8 second edit duration.

**No-usage editing & recovery**
- Documented: Mapped direct text, link and color changes use 0% model usage; unsupported computed elements use the normal scoped-edit path. Sources: https://uvilno.com/docs.
- Documented: 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. Sources: https://uvilno.com/benchmarks.
- Documented: Saved-version and entitled per-file restores preserve checkpoints without invoking the generation model; verification still applies. Sources: https://uvilno.com/docs.

**Multi-page & interactive applications**
- Documented: Contract-first route plans and reusable modules support multi-page frontends; saved legacy and eligible Next.js projects retain their respective runtimes. Sources: https://uvilno.com/docs.
- Documented: The portable Canvas game runtime and authored interactive fixtures provide workload evidence, not a promise about every generated game. Sources: https://uvilno.com/benchmarks.
- Unmeasured: A matched hardware/workload frame-time study has not been published; 60 FPS is not guaranteed.

### Bolt.new

Overall score: not measured. 6 documented or recorded checklist conditions; 14 unmeasured; 0 explicitly unmet. This is evidence coverage, not product quality.

**Code ownership & export cost**
- Documented: Download a project or use GitHub for source handoff. Sources: https://support.bolt.new/integrations/git.
- Documented: GitHub import, sync and branch workflows. Sources: https://support.bolt.new/integrations/git.
- Unmeasured: 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.
- Unmeasured: This specific source-access condition has not been established here; it is not marked unsupported.
- Documented: Source can be self-hosted; migrate database and service dependencies too. Sources: https://support.bolt.new/integrations/git.

**Database, accounts & app AI**
- Documented: Bolt Cloud databases and supported external providers. Sources: https://bolt.new/pricing.
- Documented: Authentication integrations are part of the app-building workflow. Sources: https://support.bolt.new/building.
- Unmeasured: App-user inference has not been established in this source set; builder AI alone is not treated as app AI.
- Unmeasured: An equivalent schema-backed SDK contract has not been inspected here.
- Unmeasured: This automation condition has not been established here; supported integrations may provide it.

**Targeted edit precision & speed**
- Unmeasured: Exact context-selection behavior needs a documented or observed matched test; repository access alone does not prove surgical precision.
- Unmeasured: Equivalent selected-element context has not been checked here.
- Unmeasured: No equivalent before/after edit-accuracy benchmark is recorded here.
- Unmeasured: No comparable end-to-end edit-timing distribution is recorded here.

**No-usage editing & recovery**
- Unmeasured: No-usage visual-edit terms have not been established here; absence of a recorded check is not a paid-only claim.
- Unmeasured: The same injected fault and actual customer usage ledger have not been inspected on this product.
- Unmeasured: 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 applications**
- Documented: Browser-based AI website and application development. Sources: https://support.bolt.new/building.
- Unmeasured: An equivalent interactive workload has not been run in this evaluation; this does not imply an inability to build games.
- Unmeasured: No matched workload/device frame-time measurement is recorded here.

### v0

Overall score: not measured. 6 documented or recorded checklist conditions; 14 unmeasured; 0 explicitly unmet. This is evidence coverage, not product quality.

**Code ownership & export cost**
- Documented: Source can be exported and deployed outside Vercel. Sources: https://v0.app/docs/faqs.
- Documented: GitHub-backed branches, pull requests and CI workflows. Sources: https://v0.app/docs/deployments.
- Unmeasured: 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.
- Unmeasured: This specific source-access condition has not been established here; it is not marked unsupported.
- Documented: Exported code can move; reconfigure framework runtime and service integrations. Sources: https://v0.app/docs/faqs.

**Database, accounts & app AI**
- Documented: Database and API integrations; provision services as needed. Sources: https://v0.app/docs/faqs.
- Documented: Implement app authentication with the chosen provider. Sources: https://v0.app/docs/faqs.
- Unmeasured: App-user inference has not been established in this source set; builder AI alone is not treated as app AI.
- Unmeasured: An equivalent schema-backed SDK contract has not been inspected here.
- Unmeasured: This automation condition has not been established here; supported integrations may provide it.

**Targeted edit precision & speed**
- Unmeasured: Exact context-selection behavior needs a documented or observed matched test; repository access alone does not prove surgical precision.
- Unmeasured: Equivalent selected-element context has not been checked here.
- Unmeasured: No equivalent before/after edit-accuracy benchmark is recorded here.
- Unmeasured: No comparable end-to-end edit-timing distribution is recorded here.

**No-usage editing & recovery**
- Unmeasured: No-usage visual-edit terms have not been established here; absence of a recorded check is not a paid-only claim.
- Unmeasured: The same injected fault and actual customer usage ledger have not been inspected on this product.
- Unmeasured: 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 applications**
- Documented: AI UI and full-stack app development by Vercel. Sources: https://v0.app/docs/faqs.
- Unmeasured: An equivalent interactive workload has not been run in this evaluation; this does not imply an inability to build games.
- Unmeasured: No matched workload/device frame-time measurement is recorded here.

## Uvilno

Uvilno provides a conversation-first alternative when a creator wants multi-file frontend generation, supported managed app services and a separate $4.99 source unlock. Its source and compiled exports are useful handoff formats, but its eligible Next.js workflow has its own supported capabilities. Choose from the actual application contract, not a framework name alone.

## Compare app workflows, not old product labels

v0's current FAQ describes Git-connected projects, an integrated editor and a sandboxed workflow. Bolt Cloud documents hosting and databases. These products should be assessed as app workflows with their own limits. A current comparison cannot rely on the older shorthand that one only draws React components and the other only runs a browser demo.

- https://v0.app/docs/faqs
- https://support.bolt.new/bolt-cloud

## Plan the deployment account

v0's pricing offer includes deployment to Vercel and GitHub sync even on Free, while its paid Plus offer adds included credits and collaboration features. Bolt advertises hosting on Free and custom domains on Pro. Include the selected hosting and backend accounts in a deployment rehearsal; a builder subscription is not automatically a cap on infrastructure costs.

- https://v0.app/pricing
- https://bolt.new/pricing

## Review a repository change as a team

Start from a small application, request one shared component edit and inspect the resulting change set. Verify the saved source, direct route refresh and backend error handling before accepting it. v0's own FAQ warns that generated output can be incomplete or contain bugs; the same review discipline is appropriate for every product on this page.

- https://v0.app/docs/faqs

## Acceptance checks

- Confirm the chosen project can run the server and package features the brief requires.
- Connect a disposable repository and inspect a single component edit as a diff.
- Publish, refresh a nested route and verify the same data operation in that environment.
- List the model, deployment and database costs as separate budget lines.

## Questions

### Is v0 limited to generating UI components?

No. Its current documentation covers app projects, Git, an integrated editor, deployments and backend integrations. Framework and service requirements should still be checked for the chosen project.

### Is v0's Plus plan the same as a Vercel hosting budget?

Do not assume so. The reviewed v0 offer is $30 per user per month with included model credits. Review the connected project's hosting, database and integration charges separately.

### Does the comparison prove one product has better visual quality?

No cross-vendor aesthetic test was performed. The page compares documented product responsibilities and provides a source-and-runtime review checklist.

Uvilno publishes this comparison and is displayed first as an editorial presentation choice, not an independent ranking. Vendor statements come from the linked official documentation reviewed on October 28, 2026. No common-brief generation contest, aesthetic score, universal frame rate or edit-latency benchmark was performed for this page. A source handoff and migration of hosted data, accounts and services are separate tasks.