Migrate from Firebase to Supabase

297 public pull requests on GitHub since Oct 2024, in 251 repos, say they move a project from Firebase to Supabase. 113 go the other way. Real code changes by developers in general, not only makers — read from the titles, so a PR is counted when its title says "Firebase to Supabase".

When they moved

Pull requests a month. Most are recent: 253 in the last 13 months against 44 before. The busiest month was Mar 2026 (48).

Oct 2024Oct 2026 (so far)

What they move

The part of the app a pull request's title names — "migrate auth from Firebase to Supabase". Many titles name none, so the shares don't add up to 100%.

  • Auth30% 90 of 297
  • Database16% 48 of 297
  • API and functions14% 41 of 297
  • Storage8% 24 of 297
  • Realtime2% 6 of 297
  • Models and prompts2% 5 of 297

The newest 20 pull requests

All matching pull requests on GitHub, both ways ↗

Firebase and Supabase, side by side

Among makers' products we track for database: Firebase 180, Supabase 560.

At database size 8 GB, data transfer 50 GB, document or row reads 10 million reads, document or row writes 2 million writes, Firebase costs $9.66/mo (Blaze (pay as you go)) and Supabase $25/mo (Pro), at list prices.

$0$20$100$200$5000.51582050100500
SupabaseFirebasex: database size (GB), other usage scaled with it; held at 730 hours (compute hours per month) · cheapest usable plan at each point, list prices · try your own numbers

Where else Firebase projects go

Where else Supabase's newcomers come from

Questions

How many projects have moved from Firebase to Supabase?

297 public pull requests on GitHub since Oct 2024, in 251 repos, have a title saying they move from Firebase to Supabase.

Do projects move back from Supabase to Firebase?

Yes: 113 pull requests over the same time go from Supabase to Firebase, against 297 from Firebase to Supabase.

What do people move first from Firebase to Supabase?

Of the pull request titles, 30% name auth, 16% name database, 14% name API and functions.

Is Supabase cheaper than Firebase?

At database size 8 GB, data transfer 50 GB, document or row reads 10 million reads, document or row writes 2 million writes: Firebase $9.66/mo (Blaze (pay as you go)), Supabase $25/mo (Pro), at list prices.

GitHub search, Oct 2026 (as of 2026-10-02).