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Marketing · head to head

Fathom Analytics vs Optimizely

Fathom Analytics logo

Fathom Analytics

Marketing

Website analytics made simple

From
$14/month
Rated
-
Full reviewWebsite
Optimizely logo

Optimizely

Marketing

Digital experience optimization

From
$10000/year
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Fathom Analytics there is no free tier, only a 7 day trial; Optimizely no pricing is published and no minimum is stated
  • They diverge on capability: Fathom Analytics covers Page view tracking, Optimizely covers A/B testing.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

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

Attributes where Fathom Analytics and Optimizely differ
AttributeFathom AnalyticsOptimizely
Starting price$14/month$10000/year
Pricing modelsubscriptionquote
PlatformsWebWeb, Mobile
Founded20142010

Identical on both: free tier (No), user rating (Not yet rated), category (Marketing).

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
  • 20+ languages language support

Only in Optimizely

  • A/B testing
  • Multivariate testing
  • Personalization
  • Feature management
  • Analytics
  • Google Analytics
  • Adobe Analytics
  • SOC2

Both cover

  • Cloud deployment
  • Web support

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 Optimizely
  • A lightweight Google Analytics replacementnot Optimizely
  • Tracking many sites from one accountnot Optimizely
  • Long-term historical reporting while subscribednot Optimizely

Optimizely

  • A/B testing and experimentation across web and product experiencesnot Fathom Analytics
  • Feature flagging and personalisation for digital productsnot 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

Optimizely

  • No pricing is published and no minimum is stated
  • Every plan is individually packaged, so no two quotes are necessarily comparable
  • Reaching a figure requires a demo or sales conversation

Pricing, plan by plan

Fathom Analytics

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

Optimizely

$10000/year
  • Enterprise$undefined/year
    • A/B testing
    • Personalization
    • Feature management

Which should you pick?

Choose Fathom Analytics if

  • You need page view tracking.
  • You also want goal tracking.
Fathom Analytics review

Choose Optimizely if

  • You need a/b testing.
  • You work on Web, Mobile.
  • You also want multivariate testing.
Optimizely review

Questions people ask

Is Fathom Analytics or Optimizely better?
Neither clearly leads. Fathom Analytics starts at $14/month and Optimizely at $10000/year, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Fathom Analytics or Optimizely?
Fathom Analytics starts at $14/month and Optimizely at $10000/year.
Does Fathom Analytics or Optimizely run on more platforms?
Fathom Analytics runs on Web. Optimizely runs on Web, Mobile.
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 Optimizely is typically brought in for.
What can Fathom Analytics do that Optimizely cannot?
Fathom Analytics covers Page view tracking, Goal tracking, Real-time analytics, Referrer tracking. Optimizely covers A/B testing, Multivariate testing, Personalization, Feature management. Both handle Cloud deployment, Web support.

Answered from the vendors’ own pages

Fathom Analytics: How much does Fathom Analytics cost?

Fathom's entry-level plan costs $45/month for up to 500,000 pageviews. Higher volume tiers exist (1M, 2M, 10M, 25M+ pageviews) with custom pricing. Yearly billing provides 2 months free.

Source
Optimizely: How much does Optimizely cost?

Optimizely does not publish pricing rates. The company states that every plan is individually packaged based on specific customer needs. Interested customers must request a demo or contact the sales team to receive customized pricing.

Source
Fathom Analytics: Is there a free trial for Fathom Analytics?

Yes, Fathom offers a 7-day free trial. There is no free tier after the trial ends.

Source
Optimizely: What is the pricing model for Optimizely?

Optimizely uses a custom enterprise pricing model rather than published rate cards. Pricing is determined through direct consultation with the sales team based on the customer's digital needs and feature requirements.

Source
Fathom Analytics: What happens if my pageviews exceed my plan limit?

Fathom handles usage overage graciously, only upgrading your plan after two consecutive months over your limit. There are no immediate overage charges.

Source
Optimizely: Is there a free trial of Optimizely?

Optimizely does not specify free trial availability on its website. Customers interested in exploring the platform are directed to request a demo through the company's website to discuss trial options.

Source
Fathom Analytics: Can I add extra sites to my Fathom plan?

Yes, extra sites cost $10/month per 50-site pack, or $100/year (which includes two months free). All plans include a minimum of 50 included sites.

Source
Fathom Analytics: Can I cancel Fathom without a long contract?

Yes, there are no contracts and cancellation is flexible. Fathom does not lock customers into agreements.

Source
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