Softwr

Marketing & Analytics · head to head

Fathom Analytics vs PostHog

Fathom Analytics logo

Fathom Analytics

Marketing & Analytics

Website analytics made simple

From
$14/month
Rated
-
PostHog logo

PostHog

Technology

The single platform to analyze, test, observe, and deploy new features

From
Free
Rated
-

The short version

  • Only PostHog has a free tier, so it costs nothing to try first.
  • Each has a real cost: Fathom Analytics there is no free tier, only a 7 day trial; PostHog the free tier covers 1M events, 5K web session recordings and 2.5K mobile recordings per month before usage-based billing starts
  • They diverge on capability: Fathom Analytics covers Page view tracking, PostHog covers Product analytics.

Where they differ

Only the attributes on which Fathom Analytics and PostHog actually diverge.

Attributes where Fathom Analytics and PostHog differ
AttributeFathom AnalyticsPostHog
Starting price$14/monthFree
Pricing modelsubscriptionusage-based
Free tierNoYes
PlatformsWebWeb, Ios, Android, Api
CategoryMarketing & AnalyticsTechnology
Founded20142020

Identical on both: user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Fathom Analytics

  • Page view tracking
  • Goal tracking
  • Real-time analytics
  • Referrer tracking
  • Privacy-focused
  • GDPR compliant
  • Web support
  • 20+ languages language support

Only in PostHog

  • Product analytics
  • Session recording
  • Feature flags
  • A/B testing
  • Heatmaps
  • SQL access
  • Data warehouse
  • Apps platform

Both cover

  • Cloud deployment

What people use each for

The jobs each tool is most often brought in to do.

Fathom Analytics

  • Privacy-focused web analytics without cookie bannersnot PostHog
  • A lightweight Google Analytics replacementnot PostHog
  • Tracking many sites from one accountnot PostHog
  • Long-term historical reporting while subscribednot PostHog

PostHog

  • Product analyticsnot Fathom Analytics
  • Feature experimentationnot Fathom Analytics
  • User behavior trackingnot Fathom Analytics
  • A/B testingnot Fathom Analytics
  • Debug production issuesnot Fathom Analytics

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Fathom Analytics

  • There is no free tier, only a 7 day trial
  • Priced on pageviews, from $45 a month at the 500,000 pageview level
  • Custom events count against the pageview allowance rather than being tracked separately
  • Site allowances come in packs, with additional 50-site packs at $10 a month
  • Data is retained forever only while the subscription is active

PostHog

  • The free tier covers 1M events, 5K web session recordings and 2.5K mobile recordings per month before usage-based billing starts
  • Accounts without a card on file are limited to 1 project; adding one raises it to 6
  • Data retention is 1 year until a card is added, which extends it to 7 years
  • Support is community-only until the account is on a paid plan
  • Error tracking is capped at 100K exceptions and surveys at 1500 responses per month on the free tier

Pricing, plan by plan

Fathom Analytics

$14/month
  • Starter$14/month
    • Unlimited page views
    • 1 site
    • Real-time analytics

PostHog

Free
  • FreeFree
    • 1M events/month
    • 5K sessions/month
    • Unlimited users
  • Paid$undefined/month
    • $0.00031/event
    • $0.005/session
    • Advanced permissions
  • Enterprise$undefined/month
    • SAML SSO
    • Advanced security
    • Dedicated support

Which should you pick?

Choose Fathom Analytics if

  • You need page view tracking.
  • You also want goal tracking.

Choose PostHog if

  • You need product analytics.
  • You want to start without paying.
  • You work on Web, Ios, Android, Api.
  • You also want session recording.

Questions people ask

Is Fathom Analytics or PostHog better?
Neither clearly leads. Fathom Analytics starts at $14/month and PostHog at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Fathom Analytics or PostHog?
PostHog has a free tier; the other does not. Paid plans start at $14/month for Fathom Analytics and Free for PostHog.
Does Fathom Analytics or PostHog run on more platforms?
Fathom Analytics runs on Web. PostHog runs on Web, Ios, Android, Api.
Can I use PostHog for free?
Yes. PostHog has a free tier, so you can try it without paying. Fathom Analytics starts at $14/month.
What is Fathom Analytics best used for?
Fathom Analytics is most often used for privacy-focused web analytics without cookie banners, a lightweight google analytics replacement, tracking many sites from one account, long-term historical reporting while subscribed. Of those, privacy-focused web analytics without cookie banners and a lightweight google analytics replacement are not what PostHog is typically brought in for.
What can Fathom Analytics do that PostHog cannot?
Fathom Analytics covers Page view tracking, Goal tracking, Real-time analytics, Referrer tracking. PostHog covers Product analytics, Session recording, Feature flags, A/B testing. Both handle Cloud deployment.

Related pages

Other head to heads