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Supabase — The Best Free Alternative to Firebase in 2026
💻 Firebase costs money. These free alternatives don't. Compare the options below — 2 tested replacements, no subscriptions required.
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The Alternatives
SupabaseOpen-Source · Web
The open-source Firebase alternative — Postgres, auth, storage, realtime, generous free tier.
Try Supabase free →PocketBaseOpen-Source · Offline
Entire backend in one file: database, auth, files — perfect for side projects.
Try PocketBase free →Quick Comparison
| Alternative | Type |
|---|---|
| Supabase | Open-Source · Web |
| PocketBase | Open-Source · Offline |
✅ Verdict: For most people, Supabase is the closest free match for Firebase. It's free, actively maintained in 2026, and covers what most users actually need. Try it first before considering paid options.
Is Supabase really free?
Yes — Supabase has a genuinely free tier with no watermark and no time limit. It is fully open-source, so it stays free forever.
Can Supabase replace Firebase completely?
For the tasks most users need — the open-source firebase alternative — yes. Power users with niche workflows should test their specific use case; see the notes above for each tool's limits.
Where does my data live with Supabase?
Data is processed on the provider’s servers; check their privacy policy for sensitive use.