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Head-to-Head Specification Audit
PostHog vs Firebase
SaaS Developers & Product Teams · Global
Specification Matrix
| Metric | PostHog | Firebase |
|---|---|---|
| Starting Price | CustomBetter | Custom |
| API Rate Limit | N/A | N/A |
| Target Country | Global | Global |
| Category | Product Analytics | Database & Backend |
| Compliance | GDPR, SOC2, CCPA, HIPAA | SOC2, GDPR |
| Hosting Regions | US-East, EU-West | US-East, EU-West, AP-Southeast |
| Native Integrations | 7 listedBetter | 7 listed |
PostHog — Key Specs
- ✓Open-source: self-host on your own infrastructure for full data ownership and POPIA compliance
- ✓All-in-one: analytics, feature flags, A/B testing, session recording, and surveys
- ✓Free tier includes 1M events/month — most SaaS teams never pay
- ✓SQL access to your raw event data via PostHog's built-in query editor
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, PostHog or Firebase?+
Both tools start at $0/mo on their entry plans.
Which tool is better for compliance — PostHog or Firebase?+
Both support GDPR, SOC2. PostHog additionally supports CCPA, HIPAA.
Which tool is better suited for Global?+
PostHog is evaluated for SaaS Developers & Product Teams in Global with hosting regions: US-East, EU-West. 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: 12 June 2026
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