Independent directory. VektorIndex is not affiliated with or sponsored by any listed vendor. All specifications are sourced from official vendor documentation.
Head-to-Head Specification Audit
Firebase vs PostHog
Mobile & Web Developers · Global
Specification Matrix
| Metric | Firebase | PostHog |
|---|---|---|
| Starting Price | CustomBetter | Custom |
| API Rate Limit | N/A | N/A |
| Target Country | Global | Global |
| Category | Database & Backend | Analytics |
| Compliance | SOC2, GDPR | GDPR, SOC2 |
| Hosting Regions | US-East, EU-West, AP-Southeast | EU-West, US-East, Self-hosted |
| Native Integrations | 7 listedBetter | 6 listed |
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
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, Firebase or PostHog?+
Both tools start at $0/mo on their entry plans.
Which tool is better for compliance — Firebase or PostHog?+
Both support SOC2, GDPR.
Which tool is better suited for Global?+
Firebase is evaluated for Mobile & Web Developers in Global with hosting regions: US-East, EU-West, 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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