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Head-to-Head Specification Audit
Supabase vs PostHog
Open Source Firebase Alternative · Global
Specification Matrix
| Metric | Supabase | PostHog |
|---|---|---|
| Starting Price | $25/mo | CustomBetter |
| API Rate Limit | 500 req/min | N/A |
| Target Country | Global | Global |
| Category | Database & Backend | Analytics |
| Compliance | SOC2, GDPR, HIPAA-Enterprise | GDPR, SOC2 |
| Hosting Regions | EU-West, US-East, AP-Southeast | EU-West, US-East, Self-hosted |
| Native Integrations | 6 listedBetter | 6 listed |
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
PostHog — Key Specs
- ✓Open source: self-host for complete data control — zero GDPR transfer issues
- ✓Feature flags, session replay, A/B testing, product analytics — all-in-one
- ✓EU data residency on cloud plan
- ✓No sampling — 100% of events captured
Frequently Asked Questions
What is cheaper, Supabase or PostHog?+
PostHog starts at $0/mo, which is lower than Supabase at $25/mo.
Which tool is better for compliance — Supabase or PostHog?+
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. PostHog has hosting regions: EU-West, US-East, Self-hosted. For data residency in Global, check each vendor's data processing agreements.
Data last verified: 26 June 2026
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