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Firebase

Best for MobileFree plan

Google's app platform: auth, realtime DB, and hosting in one.

4.5Editorial scoreFree · pay-as-you-go
Visit Firebase
Best for
Shipping mobile apps fast with realtime data
Pricing
Free · pay-as-you-go
Category
Developer Tools
Free plan
Yes

Pros & cons

Pros

  • Fastest to ship
  • Great Flutter/mobile SDKs
  • Realtime out of the box

Cons

  • NoSQL only (Firestore)
  • Costs can spike at scale
  • Vendor lock-in

Where we recommend it

ComparisonUpdated Aug 2026

Best Backend for Flutter Apps

The best backends for Flutter apps compared: Firebase, Supabase, Appwrite, and more. Picks by use case with pricing, pros, and cons.

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Head-to-headUpdated Aug 2026

Firebase vs Supabase

Firebase vs Supabase compared for real projects: database, realtime, auth, pricing, and lock-in. A clear answer plus a side-by-side table.

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The score above is our editorial assessment, not an average of user reviews. Pricing and features change often — always confirm current details on Firebase's official site.