Fathom vs Heap
Fathom is simple, privacy-focused website analytics. GDPR, CCPA, and PECR compliant, while Heap is digital analytics platform that auto-captures every user interaction without manual event tracking. The biggest difference up front: Heap is free, while Fathom starts at $14/mo. Fathom is built for businesses that want simple analytics without privacy headaches, whereas Heap targets teams wanting auto-captured analytics without tagging.
At a glance
|
Fathom
|
Heap
|
|
|---|---|---|
| Best for | Businesses that want simple analytics without privacy headaches | Teams wanting auto-captured analytics without tagging |
| Starting price | $14/mo | Free |
| Free tier | — | ✓ |
| Open source | — | — |
| Free tier available | — | ✓ |
| Open source | — | — |
| Auto-Capture | — | ✓ |
| Cookieless | ✓ | — |
| EU Isolation | ✓ | — |
| Event Tracking | ✓ | — |
| Funnels | — | ✓ |
| Privacy First | ✓ | — |
| Segments | — | ✓ |
| Session Replay | — | ✓ |
| Uptime Monitoring | ✓ | — |
Fathom
Strengths
- Privacy-compliant out of the box
- Simple, one-page dashboard
- EU isolation option for data residency
- Reliable uptime and fast loading
Weaknesses
- More expensive than Plausible
- Not open source
- Limited advanced analytics
- No self-hosting option
Heap
Strengths
- Includes Auto-Capture as a core feature, purpose-built for analytics workflows
- Includes Session Replay as a core feature, purpose-built for analytics workflows
- Free up to 10K sessions/mo — generous enough for most small teams to get real work done
- Established product with 13+ years on the market and a mature ecosystem
Weaknesses
- Free plan exists but key features are locked behind the paid upgrade
- Fewer built-in features means you may need additional tools to cover gaps
- Data accuracy depends on tracking setup — misconfigured events give misleading results
- Mobile experience lags behind the desktop version in features and polish
The bottom line
Pricing: Heap is completely free (Free up to 10K sessions/mo), which makes it the obvious pick if budget is the top concern. Fathom starts at $14/mo. That cost buys you a more polished or feature-rich experience, so it comes down to whether the extras justify the spend.
Feature gaps: Fathom offers Cookieless, EU Isolation and Event Tracking that Heap lacks. Heap brings Auto-Capture, Funnels and Segments that Fathom does not have.
Team fit: Fathom is geared toward individual users and small setups, while Heap is aimed at mid-size teams teams. Pick the one that matches where your team is today and where it is headed — migrating tools later is always painful.
Where each tool shines: Fathom's biggest strengths are: privacy-compliant out of the box. simple, one-page dashboard. Heap's biggest strengths are: includes auto-capture as a core feature, purpose-built for analytics workflows. includes session replay as a core feature, purpose-built for analytics workflows.
Watch out for: With Fathom, users commonly note that more expensive than plausible. With Heap, the main complaint is that free plan exists but key features are locked behind the paid upgrade.
Choose Fathom if...
- Your profile matches its sweet spot: businesses that want simple analytics without privacy headaches
- You specifically need Cookieless and EU Isolation
- You care about simple, one-page dashboard
- Your team size fits the individuals profile Fathom is designed for
Choose Heap if...
- Your profile matches its sweet spot: teams wanting auto-captured analytics without tagging
- Budget is a hard constraint — Heap is free, Fathom is not
- You specifically need Auto-Capture and Funnels
- You care about includes session replay as a core feature, purpose-built for analytics workflows
- Your team size fits the mid-size teams profile Heap is designed for
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