Head-to-Head Specification Audit
Supabase vs Firebase
SaaS Developers · Global
Specification Matrix
| Metric | Supabase | Firebase |
|---|---|---|
| Starting Price | $25/mo | $0/moBetter |
| API Rate Limit | 500 req/min | Not confirmed |
| Target Country | Global | Global |
| Category | Database & Backend | Database & Backend |
| Compliance (vendor-stated) | GDPR, SOC2 | SOC2, GDPR |
| Hosting Regions | US-East, EU-West, AP-Southeast | US-East, EU-West, AP-Southeast |
| Native Integrations | 7 listedTie | 7 listedTie |
Supabase — Key Specs
Vendor-stated- ✓Full PostgreSQL — no proprietary query language lock-in
- ✓Built-in Auth, Realtime, and Storage in a single project dashboard
- ✓Row Level Security (RLS) policies enforce data access at the database layer
- ✓REST and GraphQL APIs auto-generated from your schema — zero boilerplate
Firebase — Key Specs
Vendor-stated- ✓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
Which is lower-priced, Supabase or Firebase?+
Firebase starts at Free plan available, which is lower than Supabase at $25/mo. Verify current pricing on each vendor's website.
Which compliance frameworks do Supabase and Firebase list?+
Both list GDPR, SOC2 in their vendor documentation. These are vendor-stated frameworks. VektorIndex has not independently audited these claims.
Which has a higher documented API rate limit — Supabase or Firebase?+
Available information does not support a direct comparison of API rate limits for these tools. Check each vendor's developer documentation.
Which data hosting regions do Supabase and Firebase support?+
Supabase lists hosting regions: US-East, EU-West, AP-Southeast. Firebase lists hosting regions: US-East, EU-West, AP-Southeast. For data residency requirements in Global, confirm exact region configuration directly with each vendor.
Data last updated: 29 August 2026 — Sourced from official vendor documentation. Not independently audited. Report incorrect information
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