Amplitude vs PostHog

Detailed comparison to help you choose the right tool for your needs

A

Amplitude

Digital analytics for product and growth teams

4.5
Editorial Rating
P

PostHog

Open-source product analytics suite

4.5
Editorial Rating

Quick Comparison

Rating

4.5
vs
4.5

Starting Price

Free
vs
Free

Pricing Model

freemium
vs
freemium
Feature
Amplitude
PostHog
Behavioral cohorting
Journey mapping
Experiment analysis
Predictive analytics
CDP integration
Notebooks
Product analytics
Session replay
Feature flags
A/B testing
Surveys
Data warehouse

Amplitude Pros

  • Excellent behavioral analysis and cohorting
  • Strong experiment and A/B test analysis
  • Good free tier for startups
  • Clean and intuitive interface
  • Powerful SQL-like query engine
  • Strong community and documentation

Amplitude Cons

  • Gets expensive quickly beyond free tier
  • Steeper learning curve than Mixpanel
  • Session replay is an add-on
  • Data ingestion latency can be an issue
  • Less suited for marketing analytics
  • Mobile SDK can impact app performance

PostHog Pros

  • All-in-one analytics replay flags and testing
  • Generous free tier with 1M events per month
  • Open source and self-hostable
  • Developer-friendly with SQL access
  • No vendor lock-in with data portability
  • Transparent usage-based pricing

PostHog Cons

  • Younger platform still maturing
  • UI less polished than Mixpanel or Amplitude
  • Self-hosting requires significant DevOps
  • Documentation gaps for advanced features
  • Performance can lag with very large datasets
  • Mobile SDKs less mature than competitors

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