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Head-to-Head Specification Audit
PostHog vs Supabase
Open Source Product Analytics · Global
Specification Matrix
| Metric | PostHog | Supabase |
|---|---|---|
| Starting Price | CustomBetter | $25/mo |
| API Rate Limit | N/A | 500 req/min |
| Target Country | Global | Global |
| Category | Analytics | Database & Backend |
| Compliance | GDPR, SOC2 | SOC2, GDPR, HIPAA-Enterprise |
| Hosting Regions | EU-West, US-East, Self-hosted | EU-West, US-East, AP-Southeast |
| Native Integrations | 6 listedBetter | 6 listed |
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
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
Frequently Asked Questions
What is cheaper, PostHog or Supabase?+
PostHog starts at $0/mo, which is lower than Supabase at $25/mo.
Which tool is better for compliance — PostHog or Supabase?+
Both support GDPR, SOC2. Supabase additionally supports HIPAA-Enterprise.
Which tool is better suited for Global?+
PostHog is evaluated for Open Source Product Analytics in Global with hosting regions: EU-West, US-East, Self-hosted. Supabase has hosting regions: EU-West, US-East, AP-Southeast. For data residency in Global, check each vendor's data processing agreements.
Data last verified: 26 June 2026
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