Firebase vs Supabase
Supabase versus Firebase is the open-source Postgres challenge to Google's mobile backend. Both have consoles humans like and SDKs agents already use.
Twin Scores side by side
Firebase
Firebase is Google's app-backend suite: Auth, Firestore, RTDB, Cloud Functions, Hosting, Crashlytics, Remote Config. Humans click in the console. Agents use Admin SDKs and service accounts. It remains the default mobile backend tutorial. Vendor coupling to Google Cloud is the.
Supabase
Supabase is the open-source Firebase alternative: Postgres, Auth, Storage, Realtime, and Edge Functions with a studio GUI. Humans click tables. Agents use the REST and JS clients, RLS, and the CLI to migrate. This directory itself targets a Supabase project. We score the.
Capability snapshot
| Surface | Firebase | Supabase |
|---|---|---|
| API | excellent | excellent |
| MCP | none | basic |
| CLI | strong | excellent |
Unique intro lives on this URL only. See also alternatives to Firebase.