Fathom Analytics vs PostHog
Fathom Analytics and PostHog are both analytics tools. Fathom Analytics is aimed at small businesses and freelancers, while PostHog is aimed at developers and small businesses. Only PostHog has a free plan.
Simple, privacy-first analytics
Open-source product analytics, replays and flags
| Pricing | Paid · $15 | Freemium |
| Starting price | $15/mo | Not published |
| Free plan | No | Yes |
| Free trial | 7 days | — |
| Built for | Small businesses, Freelancers | Developers, Small businesses |
| Platforms | web | web |
| Country | CA · 2018 | US · 2020 |
| Rating | — | — |
Choose Fathom Analytics if
Agencies and businesses with many sites who want simple, compliant analytics.
- Strong privacy positioning and legal review
- 50 sites included per plan
- Simple, fast dashboard
Look elsewhere if: Product analytics or funnel analysis (PostHog, Plausible funnels).
Choose PostHog if
Engineering-led startups and scale-ups that want analytics, replay, flags and experiments without three vendors.
- Several products in one with shared data
- Generous free allowances; usage-based beyond
- Open source and engineer-friendly
Look elsewhere if: Marketing-only web analytics (Plausible) or large enterprises standardized on Amplitude.
Fathom Analytics vs PostHog pricing
Fathom Analytics
- 100k pageviews$15/mo50 sites included, all features, analytics API
- 200k pageviews$25/moSame features, higher volume
- 500k pageviews$45/moSame features, higher volume
- 1M pageviews$60/moSame features, higher volume
- Higher tiersfrom $100/mo2M to 25M pageviews ($100-$470/mo), then custom
PostHog
- Free$01M events, 5K recordings, 1M flag requests, 1,500 survey responses/mo
- Pay-as-you-gofrom $0.00005/per eventPer product after free tier, as low as $0.000009/event; billing limits
- Boost$250/moPlatform package: unlimited projects, SSO enforcement, HIPAA BAA
- Scale$750/moPriority support, SAML; includes Boost
- EnterpriseCustomRBAC, dedicated support, training
Fathom Analytics · Key features
- Single-page dashboard with realtime data
- Events, goals and UTM campaign tracking
- 50 sites included on every plan
- EU isolation for EU visitor data
- Email reports and uptime monitoring
- Google Search Console integration and ad-blocker bypass option
Cons
- No funnels or retention analysis
- Fewer segmentation options
- Pricing by pageviews can exceed Plausible at some tiers
PostHog · Key features
- Product analytics: funnels, retention, paths, trends, lifecycle
- Session replay with console and network logs
- Feature flags and multivariate experiments
- Surveys and in-app feedback
- Data warehouse, HogQL SQL and CDP destinations
- Error tracking and LLM observability
Cons
- UI can feel dense; analytics UX trails Amplitude
- Costs need monitoring across many products
- Self-hosting only recommended for small scale
Fathom Analytics vs PostHog: FAQ
Do Fathom Analytics and PostHog have a free plan?
Fathom Analytics has no free plan, a 7-day free trial. PostHog has a free plan.