PostHog vs Umami
PostHog and Umami are both web analytics software. PostHog is open source under a license set out in its repository, with 41k GitHub stars. Umami is open source under MIT, with 40k GitHub stars.
Which to pick
- Pick PostHog when
- You build a web or mobile product and want analytics, replay and feature flags in one tool instead of stitching Mixpanel, Hotjar and LaunchDarkly together.
- Pick Umami when
- You want a simple Google Analytics replacement you can self-host on Postgres with a permissive license.
Side by side
A product analytics suite covering event analytics, web analytics, session replay, feature flags, A/B experiments, error tracking, logs and a data warehouse.
Privacy-focused web and product analytics without cookies, covering traffic, campaigns, events, funnels and revenue, self-hosted or cloud.
Self-hosting is supported only as a hobby deployment and most teams use the paid cloud, where usage-based bills can grow quickly with event volume.
Less depth for complex product analytics than tools like PostHog.
Production-ready (both)
Cloud service and self-hosted server
Self-hosted server and cloud service
Python, Django, TypeScript, React, Rust and ClickHouse
TypeScript, Next.js, React, Prisma and PostgreSQL
Open source, license unclear on GitHub
Open source, MIT (permissive)
GitHub could not read the license. Check it in the repository before reusing any code.
You can build it into a product you sell, as long as you keep its copyright notice.
41k GitHub stars
40k GitHub stars
Established: started 6 years ago, latest release desktop-v0.61.946.
Established: started 6 years ago, latest release v3.4.1.
Other comparisons
More web and product analytics tools
Both sides were judged on 2026-11-06 from each project's README and GitHub data. License, age and popularity lines are worked out directly.