Supabase vs Google Firebase

Supabase
Supabase
Google Firebase
Google Firebase
Verified Confidence: 85%

Verdict: Supabase wins for teams needing PostgreSQL power and open-source flexibility, beating Firebase on relational query depth by supporting full joins and extensions. Firebase excels in mobile-first apps with seamless Google Cloud ties, scoring higher on ecosystem integration per developer surveys from Stack Overflow 2025. Choose based on data model preference rather than raw speed.

Winner: Supabase

Supabase: 8.5/10

Google Firebase: 7.8/10

Spec-by-spec comparison

SupabaseGoogle Firebase
primary_databasePostgreSQL (relational)Firestore (NoSQL)
real_time_syncyes via Realtimeyes via Realtime Database
open_sourceyes, self-hostableno, proprietary
pricing_modelfree tier + usage-basedfree tier + usage-based

Supabase

What works

  • Full PostgreSQL with SQL queries and extensions
  • Open-source codebase for customization
  • Strong focus on developer experience with instant APIs

What doesn't

  • Smaller ecosystem than Firebase for mobile SDKs
  • Fewer built-in ML and analytics integrations

Google Firebase

What works

  • Deep Google Cloud and ML integrations
  • Mature mobile SDKs with offline support
  • Scalable serverless functions via Cloud Functions

What doesn't

  • NoSQL limits complex relational queries
  • Vendor lock-in with proprietary data model

Bottom line

Our pick: Supabase. It edges out the alternative on full postgresql with sql queries and extensions. That said, Google Firebase still wins on deep google cloud and ml integrations — consider it if that single trade matters most for your use.

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