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Firebase Auth vs Supabase

Firebase Auth (Auth) and Supabase (Database/BaaS) take different approaches to development. Firebase Auth: Google auth service with email phone social and anonymous sign-in methods Supabase: Open-source Firebase alternative with Postgres auth storage realtime and edge functions

Firebase Auth logo

Firebase Auth

Google auth service with email phone social and anonymous sign-in methods

Category
Auth
Subcategory
Auth Provider
Pricing
Free (50K MAU) / Pay-as-you-go
Tier
free
authauth provider
Supabase logo

Supabase

Open-source Firebase alternative with Postgres auth storage realtime and edge functions

Category
Database/BaaS
Subcategory
Full BaaS
Pricing
Free (500MB) / Pro $25/mo
Tier
free
database/baasfull baasopen-source

Key differences

DimensionFirebase AuthSupabase
PricingFree (50K MAU) / Pay-as-you-goFree (500MB) / Pro $25/mo
PlatformAuth ProviderFull BaaS
Open SourceNoYes
Capabilitiesauth, auth providerdatabase/baas, full baas, open-source

Choose Firebase Auth if...

  • Firebase Auth fits your specific workflow and team preferences

Choose Supabase if...

  • You need full control over the source code

Community pros and cons

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Frequently asked questions

Is Firebase Auth or Supabase better for beginners?
Both tools are accessible. Firebase Auth and Supabase are similar in approachability — try both and see which workflow clicks.
Which is cheaper, Firebase Auth or Supabase?
Both have a free pricing model. Firebase Auth: Free (50K MAU) / Pay-as-you-go. Supabase: Free (500MB) / Pro $25/mo. Compare their specific plans to find the best value.
Can I use Firebase Auth and Supabase together?
Yes — Firebase Auth (Auth) and Supabase (Database/BaaS) serve different roles and can complement each other in a project.
Is Supabase open source?
Yes, Supabase is open source. Firebase Auth is proprietary.

Verdict

Firebase Auth and Supabase solve different problems. Choose based on whether you need a auth or a database/baas.

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