At a glance

Mixpanel Heap
Best for Product teams tracking user behavior and funnels Teams wanting auto-captured analytics without tagging
Starting price Free Free
Free tier
Open source
Free tier available
Open source
A/B Testing
Auto-Capture
Funnels
Retention
Segments
Session Replay
User Flows

Mixpanel

Strengths

  • Includes Funnels as a core feature, purpose-built for analytics workflows
  • Includes Retention as a core feature, purpose-built for analytics workflows
  • Free up to 20M events/mo — generous enough for most small teams to get real work done
  • Established product with 17+ years on the market and a mature ecosystem

Weaknesses

  • Free plan exists but key features are locked behind the paid upgrade
  • Fewer built-in features means you may need additional tools to cover gaps
  • Data accuracy depends on tracking setup — misconfigured events give misleading results
  • Mobile experience lags behind the desktop version in features and polish

Heap

Strengths

  • Includes Auto-Capture as a core feature, purpose-built for analytics workflows
  • Includes Session Replay as a core feature, purpose-built for analytics workflows
  • Free up to 10K sessions/mo — generous enough for most small teams to get real work done
  • Established product with 13+ years on the market and a mature ecosystem

Weaknesses

  • Free plan exists but key features are locked behind the paid upgrade
  • Fewer built-in features means you may need additional tools to cover gaps
  • Data accuracy depends on tracking setup — misconfigured events give misleading results
  • Mobile experience lags behind the desktop version in features and polish

The bottom line

Pricing: Both tools offer free tiers, so you can test each before committing. Mixpanel's free plan: Free up to 20M events/mo. Heap's free plan: Free up to 10K sessions/mo.

Feature gaps: Mixpanel offers A/B Testing, Retention and User Flows that Heap lacks. Heap brings Auto-Capture, Segments and Session Replay that Mixpanel does not have. Both share Funnels.

Team fit: Both tools target mid-size teams teams, so the decision hinges on features and workflow fit rather than scale.

Where each tool shines: Mixpanel's biggest strengths are: includes funnels as a core feature, purpose-built for analytics workflows. includes retention as a core feature, purpose-built for analytics workflows. Heap's biggest strengths are: includes auto-capture as a core feature, purpose-built for analytics workflows. includes session replay as a core feature, purpose-built for analytics workflows.

Watch out for: With Mixpanel, users commonly note that free plan exists but key features are locked behind the paid upgrade. With Heap, the main complaint is that free plan exists but key features are locked behind the paid upgrade.

Choose Mixpanel if...

  • You need a tool built for product teams tracking user behavior and funnels
  • You specifically need A/B Testing and Retention
  • You care about includes retention as a core feature, purpose-built for analytics workflows
  • The free tier works for you: free up to 20m events/mo

Choose Heap if...

  • Your profile matches its sweet spot: teams wanting auto-captured analytics without tagging
  • You specifically need Auto-Capture and Segments
  • You care about includes session replay as a core feature, purpose-built for analytics workflows
  • The free tier works for you: free up to 10k sessions/mo

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