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Head-to-head · Behavior Analytics

Amplitude vs Fullstory

  • Updated Oct 2026
  • Both researched from official sources
  • 1 check side by side
Higher score Amplitude #1 in Behavior Analytics 9.4/10 Free plan Free plan✓ 0 of 6 features Visit Amplitude
Fullstory #7 in Behavior Analytics 8.7/10 Free plan · 14-day trial Free planFree trial✓ 0 of 6 features Visit Fullstory

Amplitude leads on 0 checks, Fullstory on 0, and 1 is even. Who comes out ahead on the 1 yes/no, price and count check where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreAmplitude · 9.4/10
  • Free planboth
  • Free trialonly Fullstory

Amplitude scores higher on our rubric for behavior analytics: 9.4 against 8.7 out of 10; our editors rank them #1 and #7.

Amplitude is the better fit for teams needing broad, cross-platform product analytics. Fullstory is the better fit for teams investigating behavior across web and mobile.

  • Amplitude fits best

    Teams needing broad, cross-platform product analytics

  • Fullstory fits best

    Teams investigating behavior across web and mobile

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Side by side

Feature Amplitude 9.4/10 Visit ↗ Fullstory 8.7/10 Visit ↗
At a glance
Editor score 9.4 8.7
Ranking #1 in Behavior Analytics #7 in Behavior Analytics
Best for Teams needing broad, cross-platform product analytics Teams investigating behavior across web and mobile
Pricing model Free plan + paid Free plan + paid
Starting price — —
Free plan ✓ ✓
Free trial — 14 days
Deployment Cloud, Mobile Cloud, Mobile
Platforms Web, iOS, Android Web, iOS, Android
Support Docs Email, Community, Docs
Compliance SOC 2, GDPR, HIPAA, SSO/SAML SOC 2, ISO 27001, GDPR, SSO/SAML
Integrations 159+ integrations 18 integrations
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features Amplitude 0/6 · Fullstory 0/6
Session replay Not checked yet Not checked yet
Heatmaps Not checked yet Not checked yet
Funnels Not checked yet Not checked yet
Cohort analysis Not checked yet Not checked yet
Retention analysis Not checked yet Not checked yet
Automatic event capture Not checked yet Not checked yet
Our review
Pros
  • Analyzes behavioral events, ordered funnels, and retention patterns.
  • Includes session replay and ecommerce purchase and revenue analysis.
  • Works across web, iOS, Android, and APIs, with 159 integrations.
  • Replays, heatmaps, click and scroll maps, and rage-click detection
  • Supports iOS and Android app analytics alongside web analytics
  • FullstoryFree includes 30,000 sessions per month and 10 user seats
Cons
  • Free is event-limited, while Plus usage scales by event volume.
  • Growth and Enterprise require custom pricing.
  • Support channels listed are documentation only.
  • Paid plan prices and session limits are not displayed
  • FullstoryFree limits server-side events to 5,000 per month
  • Plan features vary, so buyers must compare tiers against their analytics needs
Our verdict

Amplitude brings behavioral analytics, session replay, and experimentation into a platform for product, marketing, data, and engineering teams. It supports web, iOS, Android, and API workflows, so it can suit organizations analyzing…

Read the review →

Fullstory captures behavioral data from websites and mobile apps, then offers session replay, heatmaps, click and scroll maps, product analytics, funnels, journeys, and frustration signals. It is aimed at product, engineering, marketing,…

Read the review →
  1. AmplitudeBehavior Analytics 9.4Free plan
  2. FullstoryBehavior Analytics 8.7Free plan · 14-day trial

Strengths and trade-offs

  • Amplitude — where it wins

    • Analyzes behavioral events, ordered funnels, and retention patterns.
    • Includes session replay and ecommerce purchase and revenue analysis.
    • Works across web, iOS, Android, and APIs, with 159 integrations.

    Where it doesn't

    • Free is event-limited, while Plus usage scales by event volume.
    • Growth and Enterprise require custom pricing.
    • Support channels listed are documentation only.

  • Fullstory — where it wins

    • Replays, heatmaps, click and scroll maps, and rage-click detection
    • Supports iOS and Android app analytics alongside web analytics
    • FullstoryFree includes 30,000 sessions per month and 10 user seats

    Where it doesn't

    • Paid plan prices and session limits are not displayed
    • FullstoryFree limits server-side events to 5,000 per month
    • Plan features vary, so buyers must compare tiers against their analytics needs

More comparisons

All behavior analytics comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update