Fathom Analytics vs PostHog
Updated June 2026 · A structured head-to-head comparison.
Privacy-first website analytics.
The verdict
Both Fathom Analytics and PostHog are credible web analytics tools, and the right pick comes down to your priorities.
Choose Fathom Analytics if you want a longer free trial (30 days). Privacy-first website analytics.
Choose PostHog if you'd rather have a lower starting price (free) and a free plan to start on. The open-source product OS.
Fathom Analytics vs PostHog: side by side
| Dimension | Fathom Analytics | PostHog |
|---|---|---|
| Starting price | From $15/mo | FreeWinner |
| Free plan | No | YesWinner |
| Free trial | 30 daysWinner | — |
| Pricing model | Subscription | Freemium |
| Best for | Privacy Conscious, Smb | Startups, Product Teams, Developers |
| Platforms | Web, Api | Web, Self Hosted, Api |
| Rating | 4.8/5 | 4.7/5 |
Fathom Analytics key facts
- Vendor
- Fathom
- Pricing
- Subscription — From $15/mo
- Free tier
- Free trial (30 days)
- Platforms
- Web, Api
- Best for
- Privacy Conscious, Smb
- Editor rating
- 4.8 / 5
- Founded
- 2018
- Headquarters
- Remote (Canada)
PostHog key facts
- Vendor
- PostHog
- Pricing
- Freemium — Free
- Free tier
- Yes
- Platforms
- Web, Self Hosted, Api
- Best for
- Startups, Product Teams, Developers
- Editor rating
- 4.7 / 5
- Founded
- 2020
- Headquarters
- San Francisco, CA, USA
Frequently asked questions
Is Fathom Analytics better than PostHog?
Neither is universally better — Fathom Analytics edges ahead on overall rating, but the best choice depends on price, platforms, and your use case. See the side-by-side table above.
Is Fathom Analytics or PostHog cheaper?
PostHog is the more affordable of the two to get started, at free. Fathom Analytics starts at from $15/mo; PostHog starts at free.
Can Fathom Analytics replace PostHog?
Yes for most teams — both are web analytics tools with heavily overlapping features. The main trade-offs are pricing and platform support, covered in the comparison above.