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Fathom Analytics

vs

PostHog

In-depth comparison to help you make the right choice for your product analytics needs

Fathom Analytics logo

Fathom Analytics

Web Analytics

A privacy-first Google Analytics alternative that eliminates cookie banners and offers simple, real-time website traffic insights.

Pricing
$15/mo - $470/mo+
1,000,000+
Founded 2018
PostHog logo

PostHog

Product Analytics

All-in-one open-source product analytics platform with session replay, feature flags, and A/B testing for engineers.

Pricing
Free - Usage-based
190,000+
Founded 2020

Best For

Who should use each platform

Fathom Analytics
Startups
Indie Makers
Agencies
Marketing Teams
Non-Technical Users
B2B SaaS
PostHog
Startups
B2B SaaS
Product Teams
Data Teams
Mobile Apps

Pricing Breakdown

Compare pricing options and trial availability

Fathom Analytics
Starting Price
$15/mo - $470/mo+
No free tier
7-day free trial
Special Offer

2 months free with yearly billing

PostHog
Starting Price
Free - Usage-based
Free tier available
No free trial
Special Offer

Startup program ($50k credits), Non-profit discounts

Integrations

Available integrations for each platform

Fathom Analytics
WordPress
Next.js
Vue.js
Webflow
Shopify
Ghost
Squarespace
Carrd
PostHog
Slack
Stripe
HubSpot
Salesforce
Sentry
Segment
Zapier
RudderStack
Hightouch
BigQuery

Strengths

What users love about each platform

Fathom Analytics

  • • GDPR, CCPA, and PECR compliant without cookie banners
  • • Lightweight 2KB script for faster page loads
  • • Unlimited email reports and forever data retention
  • • Include up to 50 websites on a single plan
  • • High-performance infrastructure that filters bot traffic

PostHog

  • • Open-source and self-hostable option for complete data control
  • • All-in-one platform combining analytics, replays, and feature flags
  • • Generous free tier (1M events/month) that resets monthly
  • • Direct SQL access (HogQL) for advanced data querying
  • • Autocapture feature tracks all events without manual instrumentation

Limitations

What could be better with each platform

Fathom Analytics

  • • No forever-free plan (paid subscription only)
  • • Lacks deep user journey mapping and complex funnels
  • • Cannot track individual users across sessions due to privacy focus
  • • Limited filtering and attribution modeling compared to GA4

PostHog

  • • Steep learning curve for non-technical users
  • • Self-hosting requires significant engineering resources to maintain
  • • Can become expensive at high volume if not optimized
  • • Visualization options are less flexible than dedicated BI tools

Ready to explore Fathom Analytics?

See detailed features, pricing, and more

All Fathom Analytics comparisons

Ready to explore PostHog?

See detailed features, pricing, and more

All PostHog comparisons