PostHog vs Amplitude Comparison

Open-source product analytics with built-in experimentation

VS
Amplitude

The enterprise product analytics leader since 2012

8 min readServices

Quick Verdict

For startups that are cost-sensitive and want an all-in-one toolkit, PostHog is the pick, thanks to its generous free tier. For enterprises with a dedicated analytics team, Amplitude remains the stronger choice. Both sit in the same competitive space as Mixpanel. PostHog's momentum is accelerating fast into 2026, while Amplitude stays deeply entrenched in the enterprise.

PostHogAmplitude
Read the full verdict

Score Comparison

Loading chart...

Detailed Scoring

Detailed Scoring: PostHog and Amplitude — category-by-category scores out of 10
CategoryPostHogAmplitude
Performance
8/10
9/10
Ease of Learning
9/10
8/10
Ecosystem
9/10
10/10
Community
9/10
9/10
Job Market
6/10
9/10
Future-Proof
9/10
9/10

Pros & Cons

PostHog

Pros

  • MIT-licensed open source — self-hosted or cloud
  • All-in-one: events, heatmaps, feature flags, and session replay
  • Built-in feature flags and A/B testing
  • Generous free tier (1M events/month)
  • Session replay for debugging the user journey
  • EU data-hosting option for GDPR compliance
  • A growing plugin ecosystem
  • Built around a product-led growth focus

Cons

  • Self-hosting is DevOps-heavy
  • UI isn't as polished as Amplitude's
  • Enterprise features are still relatively new
  • High data volumes need tuning when self-hosted

Best For

Product-led growth startupsTeams needing data sovereignty via self-hostingTeams wanting feature flags and analytics in one toolDebugging user journeys via session replayTeams that favor an open-source philosophy

Amplitude

Pros

  • Enterprise-proven at Netflix, Spotify, and Square
  • Advanced behavioral cohort analysis
  • Deep retention analysis
  • Impact reports for hypothesis testing
  • Session replay, added in 2024
  • Data warehouse sync with Snowflake and BigQuery
  • Amplitude Experiment offers robust A/B testing
  • 150+ integrations

Cons

  • Enterprise-heavy pricing (typically $2k+/month)
  • Feature flags are a separate, premium product (Amplitude Experiment)
  • No self-hosting — SaaS only
  • Data ownership sits with the SaaS vendor

Best For

Enterprise companies (Series B and beyond)Product teams with dedicated analystsComplex cohort analysisData warehouse integrationTeams that want Amplitude's professional services package

Code Comparison

PostHog
import posthog from 'posthog-js';

posthog.init(API_KEY, { api_host: 'https://app.posthog.com' });

posthog.capture('user_signup', {
    plan: 'pro',
    referrer: 'google'
});

// Feature flag
if (posthog.isFeatureEnabled('new-checkout')) {
    // Show new checkout
}
Amplitude
import * as amplitude from '@amplitude/analytics-browser';

amplitude.init(API_KEY, userId);

amplitude.track('user_signup', {
    plan: 'pro',
    referrer: 'google'
});

Conclusion

For startups that are cost-sensitive and want an all-in-one toolkit, PostHog is the pick, thanks to its generous free tier. For enterprises with a dedicated analytics team, Amplitude remains the stronger choice. Both sit in the same competitive space as Mixpanel. PostHog's momentum is accelerating fast into 2026, while Amplitude stays deeply entrenched in the enterprise.

Get Free Consultation
FAQ

Frequently Asked Questions

Yes. Mixpanel led the category for years, but PostHog and Amplitude are now dominant. Mixpanel is still fine, but the momentum has shifted to the other two.

Related Blog Posts

View All Posts
All Comparisons