Supabase vs Firebase
Open-source PostgreSQL-based backend with auth, real-time, and storage. — vs — Google's NoSQL backend platform with real-time database, auth, and hosting.
Quick Verdict
Choose Supabase for SQL databases with open-source flexibility and predictable pricing. Choose Firebase for real-time mobile apps with Google ecosystem integration. Supabase for relational data; Firebase for document data.
What is Supabase?
Supabase is an open-source alternative to Firebase built on PostgreSQL. It provides authentication, a real-time database, file storage, edge functions, and row-level security. Supabase uses standard SQL and can be self-hosted, reducing vendor lock-in.
What is Firebase?
Firebase is Google's Backend-as-a-Service platform providing a NoSQL real-time database (Firestore), authentication, cloud functions, hosting, and analytics. Firebase excels at real-time applications and has deep integration with Google Cloud services.
Supabase vs Firebase: Side-by-Side Comparison
| Feature | Supabase | Firebase |
|---|---|---|
| Database | PostgreSQL (relational) | Firestore (NoSQL document) |
| Query Language | SQL | Firestore API / queries |
| Open Source | Yes, self-hostable | No, Google-managed |
| Real-time | Real-time subscriptions | Real-time listeners |
| Auth | Built-in (GoTrue) | Firebase Auth (robust) |
| Pricing | Generous free tier, $25/mo+ | Pay-as-you-go, can spike |
| Vendor Lock-in | Low (standard SQL) | High (proprietary APIs) |
When to Choose Supabase
You prefer relational databases and SQL for querying data.
You want low vendor lock-in with self-hosting options.
You need row-level security directly in the database.
You want a more predictable pricing model.
When to Choose Firebase
You're building a real-time application (chat, collaboration).
You need a mature mobile SDK for iOS and Android.
You want deep Google Cloud integration.
You prefer NoSQL document-based data modeling.
The Verdict
Choose Supabase for SQL databases with open-source flexibility and predictable pricing. Choose Firebase for real-time mobile apps with Google ecosystem integration. Supabase for relational data; Firebase for document data.
Need Help Building With Supabase or Firebase?
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