Google Firebase vs Supabase
Verdict: Supabase edges out on value and longevity due to its open-source Postgres core and self-hosting, while Firebase provides stronger enterprise-grade quality and mobile features according to developer surveys from Stack Overflow and GitHub trends. Firebase wins on seamless Google integrations but trails in query flexibility. Supabase is the winner for most new projects avoiding lock-in.
Winner: Supabase
Google Firebase: 8/10
Supabase: 8.5/10
Spec-by-spec comparison
| Google Firebase | Supabase | |
|---|---|---|
| Database Type | NoSQL (Firestore) | PostgreSQL |
| Authentication | Built-in with Google Sign-In | Built-in with multiple providers |
| Real-time Sync | Yes via Firestore | Yes via Postgres changes |
| Open Source | No | Yes |
Google Firebase
What works
- Native integration with Google Cloud services
- Extensive SDK support across platforms
- Automatic scaling with global CDN
What doesn't
- Vendor lock-in to Google ecosystem
- Query limitations on Firestore at scale
Supabase
What works
- Full PostgreSQL access with SQL queries
- Open-source self-hosting option
- Row-level security by default
What doesn't
- Smaller ecosystem than Firebase
- Requires more manual scaling configuration
Bottom line
Our pick: Supabase.
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