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Supabase vs Firebase

Open-source Postgres-based BaaS vs Google's closed-source BaaS.

Supabase is Postgres + auth + storage + functions, open-source. Firebase is NoSQL (Firestore), real-time, deeply integrated with Google services.

At a glance

SupabaseFirebase
DatabasePostgres (SQL)Firestore (NoSQL)
Real-timeGoodBest-in-class
Self-hostableYesNo
EcosystemGrowingMature + Google integrations

When to pick Supabase

Want SQL/Postgres, want open-source, prefer not to lock into Google.

When to pick Firebase

Want best real-time, Google ecosystem, don't need SQL.

My verdict

Supabase for most new projects. Firebase for real-time-heavy apps or Google-native teams.

Further reading