Amplitude vs Fathom: Analytics Comparison (2026)

Amplitude is geared towards product analytics with a free tier and advanced features, while Fathom focuses on web analytics with an emphasis on privacy and straightforward pricing.

AI Citation Scorecard

How often each is cited by major AI engines when buyers ask analytics questions. Last 90 days across ChatGPT, Perplexity, Gemini, Claude, and Copilot.

Amplitude leads overall56% cited vs Fathom 7% across 108 probes.
ChatGPT
AmplitudeLeads
12 / 12 probes
100%
Excellent
Fathom
2 / 12 probes
17%
Average
Perplexity
AmplitudeLeads
3 / 12 probes
25%
Average
Fathom
0 / 12 probes
0%
Invisible
Gemini
AmplitudeLeads
3 / 12 probes
25%
Average
Fathom
0 / 12 probes
0%
Invisible
Claude
AmplitudeLeads
11 / 12 probes
92%
Excellent
Fathom
2 / 12 probes
17%
Average
Copilot
AmplitudeLeads
1 / 6 probes
17%
Average
Fathom
0 / 6 probes
0%
Invisible
Scale:NoneLowFairStrongExcellent

Probes run hourly; each (engine × query) combo retests every ~3 days.

Pricing

Amplitude
Starting price
$49/month
Free tier
Yes
amplitude.com
Fathom
Starting price
$15/month
Free tier
usefathom.com

Key Features

Amplitude
  • 10K MTUs, up to 2M events
  • Out-of-the-box analytics and templates
  • Session Replay
  • Unlimited feature flags
  • Web Experimentation
  • AI Feedback
  • Unlimited sources and destinations
  • Access to community and academy
Fathom
  • Up to 50 sites included
  • Ecommerce/event tracking included
  • Easy integration with all CMSs/frameworks
  • API access
  • Forever data retention
  • 100% data ownership
  • No cookie banners required
  • Unlimited email reports

When to choose Amplitude

Amplitude is suitable for individuals and small teams needing in-depth user behavior analytics, session replay, and experimentation features, with options for custom enterprise plans.

When to choose Fathom

Fathom is ideal for users who manage multiple websites, prioritize data privacy by avoiding cookie banners, and require simple, transparent pricing with unlimited data retention and exports.

Frequently Asked Questions

What are the key differences in pricing between Amplitude and Fathom?
Amplitude offers a free tier and custom pricing that can be expensive, while Fathom has a single starting price with no free tier or discounts. Fathom's pricing is $15/month.
What are the main feature distinctions between Amplitude and Fathom?
Amplitude offers session replay, web experimentation, unlimited feature flags, and AI feedback. Fathom provides up to 50 sites included, ecommerce/event tracking, API access, and no cookie banners required.
Which vendor offers a free tier?
Amplitude offers a free tier. Fathom does not.
Which vendor has a focus on data privacy?
Fathom emphasizes digital privacy, including not requiring cookie banners. Amplitude's feature set does not highlight this as a primary focus.
What are the limitations regarding customer support for both vendors?
Amplitude has limited support for its free tier. Fathom has limited customer support options.

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