Fathom Analytics vs PostHog: Which is Better in 2026?
Choosing between Fathom Analytics and PostHog comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
Bottom line: PostHog is our overall pick for product analytics workflows. Pick Fathom Analytics if you need web analytics.
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
Fathom Analytics
Simple privacy-first analytics
Best for you if:
- • You need web analytics features specifically
- • Privacy-first analytics without cookies
- • GDPR compliant with simple dashboard
PostHog
Open-source product analytics with event tracking, feature flags, and session recording
Best for you if:
- • You want to try before committing
- • You need product analytics features specifically
- • All-in-one product OS (analytics, flags, replay)
- • Open source and self-hostable
| At a Glance |  Fathom Analytics |  PostHog |
|---|---|---|
Starts at | $20/user/moPremium | Custom/moUsage-Based |
Best For | Web Analytics | Product Analytics |
Rating | - | - |
Choose Fathom Analytics or PostHog?
Choose Fathom Analytics if
Simple privacy-first analytics
- Privacy compliant
- Fast loading
- Clean UI
- Your work is web analytics-shaped, not product analytics-shaped
Choose PostHog if
Open-source product analytics with event tracking, feature flags, and session recording
- Open source
- All-in-one
- Self-hostable
- Your work is product analytics-shaped, not web analytics-shaped
| Feature | Fathom Analytics | PostHog |
|---|---|---|
| Pricing Model | Paid | Freemium |
| User Rating | ★4.4/5 20 reviews | ★4.5/5 1,036 reviews |
| Categories | Web AnalyticsAnalytics | Product AnalyticsWeb Analytics |
In-Depth Analysis
Fathom Analytics
Simple privacy-first analytics
Strengths
- +Privacy compliant
- +Fast loading
- +Clean UI
Weaknesses
- -Limited features
- -No free tier
Key features
PostHog
Open-source product analytics with event tracking, feature flags, and session recording
Strengths
- +Open source
- +All-in-one
- +Self-hostable
Weaknesses
- -Complex setup
- -Can get expensive
Key features
Pricing: Fathom Analytics vs PostHog
| Plan | Fathom Analytics | PostHog |
|---|---|---|
| Tier 1 | $0 Free | Free Free |
| Tier 2 | $20/user Premium | Custom Usage-Based |
| Tier 3 | $18/user Team | $750 Scale |
| Tier 4 | $28/user Business | N/A |
Pricing verified from each vendor's public pricing page. Compare in detail on Fathom Analytics pricing and PostHog pricing.
Who Should Use What?
On a budget?
PostHog has a free tier. Fathom Analytics is paid only.
Go with: PostHog
Want the highest-rated option?
Neither has user reviews yet.
Go with: Fathom Analytics
Value user reviews?
Neither has user reviews yet.
Go with: PostHog
3 Questions to Help You Decide
What's your budget?
Fathom Analytics is paid. PostHog is freemium. PostHog lets you start free.
What's your use case?
Fathom Analytics is a web analytics tool. PostHog is in product analytics. Pick the category that matches your needs.
How important are ratings?
Neither has user reviews yet.
Key Takeaways
PostHog
- Higher user rating: 4.5/5 vs 4.4/5
- Larger review base (1,036 reviews)
- Free tier available
- Our pick for this comparison
Fathom Analytics
- Better fit for web analytics
The Bottom Line
PostHog is our pick.
Frequently Asked Questions
Is Fathom Analytics or PostHog better?
PostHog is rated in our evaluation. Fathom Analytics is paid and PostHog is freemium.
What are Fathom Analytics and PostHog used for?
Fathom Analytics: Simple privacy-first analytics. PostHog: Open-source product analytics with event tracking, feature flags, and session recording.
What does Fathom Analytics cost vs PostHog?
Fathom Analytics is a paid tool. PostHog is freemium (free tier + paid plans). Visit their websites for detailed pricing.