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Head-to-Head Specification Audit
Supabase vs Firebase
Open Source Firebase Alternative · Global
Specification Matrix
| Metric | Supabase | Firebase |
|---|---|---|
| Starting Price | $25/mo | CustomBetter |
| API Rate Limit | 500 req/min | N/A |
| Target Country | Global | Global |
| Category | Database & Backend | Database & Backend |
| Compliance | SOC2, GDPR, HIPAA-Enterprise | SOC2, GDPR |
| Hosting Regions | EU-West, US-East, AP-Southeast | US-East, EU-West, AP-Southeast |
| Native Integrations | 6 listed | 7 listedBetter |
Supabase — Key Specs
- ✓PostgreSQL with RLS, Edge Functions, Realtime, Auth, Storage
- ✓pgvector extension: vector similarity search without Pinecone
- ✓SOC 2 Type II, GDPR DPA (EU data residency available)
- ✓Free tier: 500MB database + 2GB storage forever
Firebase — Key Specs
- ✓Realtime Database and Firestore sync data to all connected clients in under 100ms
- ✓Firebase Auth handles 10+ social providers, phone OTP, and anonymous auth out of the box
- ✓Cloud Functions for Firebase execute server-side logic without managing any infrastructure
- ✓Free Spark plan covers 1GB Firestore storage and 50,000 reads/day permanently
Frequently Asked Questions
What is cheaper, Supabase or Firebase?+
Firebase starts at $0/mo, which is lower than Supabase at $25/mo.
Which tool is better for compliance — Supabase or Firebase?+
Both support SOC2, GDPR. Supabase additionally supports HIPAA-Enterprise.
Which tool is better suited for Global?+
Supabase is evaluated for Open Source Firebase Alternative in Global with hosting regions: EU-West, US-East, AP-Southeast. Firebase has hosting regions: US-East, EU-West, AP-Southeast. For data residency in Global, check each vendor's data processing agreements.
Data last verified: 26 June 2026
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