What is the difference between Umami and PostHog?

Umami is best for Developers who want free, self-hosted, privacy-first analytics, while PostHog is best for Product teams that need analytics, session replay, and feature flags in one tool. Umami starts at Free and PostHog starts at Free.

Is Umami or PostHog cheaper?

Umami starts at Free and is free. PostHog starts at Free and is free.

Is there a free alternative to PostHog?

Both Umami and PostHog offer free tiers.

Umami vs PostHog

Umami is open-source, privacy-focused web analytics you can self-host, while PostHog is open-source product analytics suite with session replay, feature flags, A/B testing, and surveys. Umami is built for developers who want free, self-hosted, privacy-first analytics, whereas PostHog targets product teams that need analytics, session replay, and feature flags in one tool.

At a glance

	Umami	PostHog
Best for	Developers who want free, self-hosted, privacy-first analytics	Product teams that need analytics, session replay, and feature flags in one tool
Starting price	Free	Free
Free tier	✓	✓
Open source	✓	✓
Free tier available	✓	✓
Open source	✓	✓
A/B Testing	—	✓
Cookieless	✓	—
Custom Events	✓	—
Feature Flags	—	✓
Open Source	✓	—
Product Analytics	—	✓
Real-Time Dashboard	✓	—
Self-Hosted	✓	—
Session Replay	—	✓
Surveys	—	✓

Umami

Strengths

Free and open source
Easy to self-host (Docker, Vercel, Railway)
Clean, modern dashboard
Privacy-focused, no cookies

Weaknesses

Requires self-hosting for free use
Fewer features than GA or even Plausible
Limited integrations
Cloud pricing not competitive with Plausible

Try Umami → Full review

PostHog

Strengths

All-in-one: analytics, session replay, feature flags, A/B tests
Generous free tier (1M events/mo)
Open source and self-hostable
Strong developer experience

Weaknesses

Can be overwhelming — lots of features
Self-hosting requires significant infrastructure
UI has a learning curve
Some features less mature than best-in-class alternatives

Try PostHog → Full review

The bottom line

Pricing: Both Umami and PostHog are free, so this decision comes down to features and philosophy rather than budget.

Feature gaps: Umami offers Cookieless, Custom Events and Open Source that PostHog lacks. PostHog brings A/B Testing, Feature Flags and Product Analytics that Umami does not have.

Team fit: Umami is geared toward individual users and small setups, while PostHog is aimed at any size teams. Pick the one that matches where your team is today and where it is headed — migrating tools later is always painful.

Open source: Both Umami and PostHog are open source, so self-hosting and code audits are on the table with either choice.

Where each tool shines: Umami's biggest strengths are: free and open source. easy to self-host (docker, vercel, railway). PostHog's biggest strengths are: all-in-one: analytics, session replay, feature flags, a/b tests. generous free tier (1m events/mo).

Watch out for: With Umami, users commonly note that requires self-hosting for free use. With PostHog, the main complaint is that can be overwhelming — lots of features.

Choose Umami if...

Your profile matches its sweet spot: developers who want free, self-hosted, privacy-first analytics
You specifically need Cookieless and Custom Events
You care about easy to self-host (docker, vercel, railway)
Your team size fits the individuals profile Umami is designed for

Choose PostHog if...

You need a tool built for product teams that need analytics, session replay, and feature flags in one tool
You specifically need A/B Testing and Feature Flags
You care about generous free tier (1m events/mo)
Your team size fits the any size profile PostHog is designed for