Backend-as-a-Service

Convex vs Firebase

Reactive backend platform with a TypeScript database and realtime queries.

Google’s app development platform — realtime DB, auth, hosting, and functions.

Side by side

Pricing model
ConvexUsage-based
FirebaseUsage-based
Starting price
Convex$25/mo
FirebaseUsage-based (Blaze)
Free tier
ConvexYes — Generous free tier
FirebaseYes — Generous Spark free tier
Availability
ConvexGenerally available
FirebaseGenerally available
Last checked
ConvexOct 11, 2026
FirebaseOct 12, 2026

When each one fits

Choose Convex when…

  • Realtime, reactive apps

    Auto-updating queries without plumbing

  • TypeScript teams

    End-to-end type safety

Convex strengths

  • Reactive, realtime by default

  • TypeScript-native end to end

  • Great DX for app developers

Choose Firebase when…

  • Mobile/web apps needing a quick backend

    All-in-one BaaS with realtime sync

  • Realtime/collaborative features

    Live data out of the box

Firebase strengths

  • Complete mobile/web backend

  • Realtime data sync

  • Fast to build with

Trade-offs

Known weaknesses from each tool’s record. Sourced ones link to where they came from.

Convex

  • Younger ecosystem

    No source on file

  • Less SQL-oriented

    No source on file

Firebase

Next steps