Best AI app builders: compare data and code handoff
Evidence date: 2026-10-15

Decision criteria
Persistent data, verified ownership rules, repeatable deployment, source and data handoff, and a budget that separates building from running the app.

Editorial evaluation scenario
Write the app brief with two users and explicit record ownership.
Choose two builders whose backend and repository paths fit your team.
Test cross-user reads, updates, anonymous access and saved-state persistence.
Obtain the source and separately restore a data backup.
Check billing and name the person responsible for updates before launch.

Input / draft / final edit
Fictional inbox: Alice owns A-1; Bob owns B-1. Each may edit only their own ticket.
The initial list returned both records to Alice. A populated interface hid an ownership failure.
Local model isolates reads and updates, rejects anonymous access and preserves a JSON backup. Six checks passed.

Before buying
Lovable
Documented: Pro: $25/month for 100 credits, unlimited workspace users. Cloud backend and GitHub sync documented.
Check: Workspace credits versus app-user access; data backup and backend portability.
Bolt
Documented: Pro: $25/month, starts at 10M tokens, no daily cap. Database and GitHub workflows documented.
Check: Context-driven token consumption, runtime limits and actual export/restore.
Replit
Documented: Core: $20/month on the monthly selector. Git workspace and effort-based paid Agent billing documented.
Check: Which work is billable, cloud-service draw and receiving developer setup.
v0
Documented: Plus: $30/user/month and monthly credits. GitHub branches, Vercel previews and database integrations documented.
Check: Seat count, connected-service charges and authorization in the generated app.

Official sources
https://lovable.dev/pricing
https://docs.lovable.dev/integrations/github
https://docs.lovable.dev/features/cloud
https://bolt.new/pricing
https://support.bolt.new/integrations/git
https://support.bolt.new/building/intro-bolt
https://support.bolt.new/cloud/database/advanced
https://replit.com/pricing
https://docs.replit.com/features/workspace-tools/git-interface
https://docs.replit.com/billing/ai-billing
https://v0.app/pricing
https://v0.app/docs/github
https://v0.app/docs/databases
https://v0.app/docs/deployments

Record your own test: selected plan, date, input, output, corrections, export and total cost. This sheet does not claim a vendor test.