PostHog

Product analytics, session replay, feature flags and experiments together.

productreplay

Websiteposthog.com

CategoryAnalytics

PricingFreemium

Card requiredNo

Open sourceYes

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ABOUT

What is PostHog?

PostHog is an open-source product analytics platform that combines analytics, session replay, feature flags and experiments in a single tool. It can be self-hosted or used via PostHog Cloud. The platform targets product and engineering teams who want full data control and a unified tool for product analytics.

BEFORE YOU SIGN UP

What you should know

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Open source and self-hostableFull data control with the option to self-host. No data leaves your infrastructure if self-hosted.

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All-in-one product platformAnalytics, session replay, feature flags and experiments in one tool. No need for multiple SaaS subscriptions.

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Generous free cloud tier1M analytics events, 5k session recordings and 1M feature flag requests per month free on PostHog Cloud.

Self-hosting requires effortRunning PostHog self-hosted requires Kubernetes or Docker with multiple services. Not trivial for small teams.

COMMUNITY

From the forums

PostHog has an enthusiastic community on r/selfhosted, with strong praise for being open source and having a generous free cloud tier. Many developers appreciate the all-in-one approach and that it replaces multiple tools. Complaints are relatively few but include that self-hosting requires significant infrastructure and that some features feel less polished than commercial alternatives.

— Community sentiment · Reddit

💬Discuss on Reddit ↗

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Guides mentioning PostHog

📖Tutorial

How to install PostHog on a VPS

Operate product analytics and session insights on infrastructure you manage

2026-07-30·4 min read

ABOUT US

Honest, independent, no fluff.

No paid placements. Just a clear look at what this does, what it costs, and what to know before you commit.

FAQ

Questions, answered.

Is PostHog really free?＋

PostHog Cloud has a free tier with 1M events, 5k recordings and 1M feature flag requests per month. Self-hosting is free but requires your own infrastructure.

Can I self-host PostHog?＋

Yes, PostHog is fully open source and can be self-hosted via Docker or Kubernetes. The community edition includes most features.

How does PostHog compare to Amplitude and Mixpanel?＋

PostHog offers a superset of features with session replay, feature flags and experiments built in. It is open source and more affordable at scale, though some individual features may be less polished.