Assembly Line

Google Analytics vs Umami

Google Analytics and Umami are both web analytics software. Google Analytics is a commercial product from Google. Umami is open source under MIT, with 40k GitHub stars.

Which to pick

Pick Google Analytics when
You run Google Ads or need free, widely understood traffic reporting and can accept Google processing your visitor data.
Pick Umami when
You want a simple Google Analytics replacement you can self-host on Postgres with a permissive license.

Side by side

What it does

Tracks website and app visits, traffic sources, conversions and user behaviour, and feeds Google Ads audiences.

Privacy-focused web and product analytics without cookies, covering traffic, campaigns, events, funnels and revenue, self-hosted or cloud.

Watch out

GA4's interface and data model are hard for casual users, it needs cookie consent in the EU, and data sampling and thresholds hide detail.

Less depth for complex product analytics than tools like PostHog.

Ready for

Production-ready (both)

Runs as

Cloud service

Self-hosted server and cloud service

Built with

Not published

TypeScript, Next.js, React, Prisma and PostgreSQL

Source code

Closed source, sold by Google

Open source, MIT (permissive)

What the license allows

Closed source: you use it under the maker's terms and cannot change or resell the code.

You can build it into a product you sell, as long as you keep its copyright notice.

How widely known

652 Wikipedia readers a month on phones

40k GitHub stars

How established

Not known

Established: started 6 years ago, latest release v3.4.1.

Other comparisons

More web and product analytics tools

Every web analytics product and project, ranked

Both sides were judged on 2026-11-03 from makers' descriptions, Wikipedia, READMEs and GitHub data. License, age and popularity lines are worked out directly.