PostHog vs Fathom Analytics: Analytics Comparison (2026)
An independent side-by-side comparison of PostHog and Fathom Analytics for analytics buyers — pricing, features, integrations, and how often each is cited by major AI engines.
AI Citation Scorecard
How often each is cited by major AI engines when buyers ask analytics questions. Last 90 days across ChatGPT, Perplexity, Gemini, Claude, and Copilot.
Probes run hourly; each (engine × query) combo retests every ~3 days.
Pricing
Key Features
- ✓Product Analytics: 1M events/mo free
- ✓Session Replay: 5K recordings/mo free
- ✓Feature Flags: 1M requests/mo free
- ✓Managed Warehouse: 1M rows/mo free
- ✓Usage-based pricing
- ✓No sales calls required
- ✓Generous free tiers
- ✓Single source of truth for customers
- ✓50 sites included
- ✓100% data ownership
- ✓No cookie banners required
- ✓Unlimited email reports
- ✓Full analytics history while subscribed
- ✓Unlimited CSV data exports
- ✓Privacy law compliance
- ✓Built for high traffic
When to choose PostHog
Choose PostHog if your team prioritizes its strengths over Fathom Analytics's. Full guidance populates as PostHog's feature data is indexed.
When to choose Fathom Analytics
Choose Fathom Analytics if your team prioritizes its strengths over PostHog's. Full guidance populates as Fathom Analytics's feature data is indexed.
AI visibility profiles
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posthog.com
usefathom.com