Fathom Analytics vs PostHog
A detailed comparison of Fathom Analytics and PostHog — features, pricing, privacy compliance, and which tool is best for your use case.
Fathom Analytics
Fathom Analytics is a privacy-first analytics platform that provides simple website metrics without compromising visitor privacy or requiring cookie consent.
Best for: Small businesses wanting simple, privacy-first analytics
PostHog
PostHog is an open-source product analytics suite offering event tracking, session replay, feature flags, A/B testing, and surveys in a single platform.
Best for: Product teams needing analytics, feature flags, and session replay in one tool
Feature Comparison
| Feature | Fathom Analytics | PostHog |
|---|---|---|
| Cookie-free tracking | ✓ | ✗ |
| Requires consent banner | ✓ | ✗ |
| AI-powered insights | ✗ | ✓ |
| Open source | ✗ | ✓ |
| Script size | ~2KB | ~80KB |
| Custom event tracking | ✓ | ✓ |
| Funnel analysis | ✗ | ✓ |
| Real-time dashboard | ✓ | ✓ |
| Team management | ✓ | ✓ |
| REST API access | ✓ | ✓ |
| Free tier | No free tier (30-day trial) | Free — 1M events/mo |
| Paid plans | From $15/mo (100K pageviews) | Pay-per-use after free tier |
Where Fathom Analytics Wins
- Simple, clean interface
- No cookie consent needed
- Intelligent bot filtering
- Email reports
- EU isolation available
Where PostHog Wins
- All-in-one product analytics suite
- Generous free tier (1M events)
- Open source and self-hostable
- Session replay included
- Feature flags and A/B testing
Consider ActionLab Analytics
Looking for a privacy-first alternative with AI-powered insights? ActionLab Analytics offers cookie-free tracking, real-time dashboards, and AI that tells you what to change — not just what happened. Start free with 100K events/month.
- AI-powered actionable insights
- No cookies or consent banners needed
- Sub-2KB tracking script
- Real-time dashboard
- Full GDPR/CCPA/PECR compliance
Verdict
Both Fathom Analytics and PostHog have strengths. Your decision depends on whether you prioritize small businesses wanting simple, privacy-first analytics or product teams needing analytics, feature flags, and session replay in one tool. For a privacy-first alternative with AI insights, consider ActionLab Analytics.
Frequently Asked Questions
Which is better, Fathom Analytics or PostHog?
The best choice depends on your priorities. Fathom Analytics and PostHog each have different strengths. Consider your needs around privacy compliance, pricing, feature depth, and ease of use when deciding.
Can I use Fathom Analytics and PostHog together?
Technically yes, but running multiple analytics scripts adds page weight and complexity. Consider whether a single tool that covers your needs — like ActionLab Analytics — might be a simpler solution.
Is there a privacy-friendly alternative to both Fathom Analytics and PostHog?
Yes. ActionLab Analytics is a privacy-first alternative that requires no cookies or consent banners. It provides AI-powered insights, real-time analytics, and full GDPR/CCPA compliance with a sub-2KB tracking script. Free tier includes 100K events/month.