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Updated May 2, 2026Databases Comparison

Firebase vs Supabase Comparison

A detailed comparison of Firebase and Supabase.

F

Firebase

App development platform backed by Google.

Primary Task

Backend as a Service

Pricing

Freemium

Key Features

  • Realtime Database
  • Auth
  • Hosting
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S

Supabase

The open source Firebase alternative.

Primary Task

Backend DB

Pricing

Freemium

Key Features

  • Postgres Database
  • Realtime Subscriptions
  • Auth & Storage
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At a Glance

FeatureFirebaseSupabase
Primary TaskBackend as a ServiceBackend DB
Pricing ModelFreemiumFreemium
Founded20112020
Open Source
Database TypeMulti-modelMulti-model
Realtime
Built-in Auth
Self-HostableN/AN/A

Pros & Cons

F

Firebase

Strengths

  • All-in-one platform
  • Realtime by default
  • Google infrastructure

Limitations

  • Vendor lock-in
  • Complex querying
  • Cost spikes
S

Supabase

Strengths

  • Open Source
  • Postgres-based
  • Unlimited API requests on Pro

Limitations

  • Complex RLS policies
  • No built-in caching
  • Slower initial response on free tier (Cold starts)
Final Decision

The Verdict

Both tools are excellent. Here's how to choose the right one for your project.

F

Choose Firebase

Best for

  • Strong Realtime Database capabilities
  • Freemium pricing model
  • Backend as a Service workflows
S

Choose Supabase

Best for

  • Postgres Database focused projects
  • Freemium approach
  • Backend DB use cases

Frequently Asked Questions

What is the main difference between Firebase and Supabase?

Firebase is primarily a Backend as a Service, while Supabase is focused on Backend DB. App development platform backed by Google. The open source Firebase alternative.

Is Firebase open source?

No, Firebase is a commercial product with a freemium model.

Is Supabase open source?

No, Supabase is a commercial product with a freemium model.

Which is better for Databases?

It depends on your specific needs. Firebase is often chosen for its realtime database capabilities, while Supabase is popular for its postgres database features.