The best Product analytics
Every option ranked — open-source, self-hostable, and commercial — by our transparent Sovereignty Score, with honest trade-offs so you choose what fits you, not us.
What users actually do inside the product — funnels, retention, session replay. Billed per tracked user, so the bill grows exactly as fast as the product does.
L5Applications — layer 5 of the AI stack- 1
PostHog
Top pickOpen sourceProduct analytics, session replay, flags and experiments in one self-hostable product.
Generous free tier on cloud; self-hostable at no licence cost for the MIT core. · in our Amplitude comparison →
What is PostHog? →85sovereignty - 2
Umami
Open sourceOne clean dashboard, no cookies, five minutes to deploy.
Free and open source to self-host. Umami Cloud has a free tier and paid plans. · in our Amplitude comparison →
What is Umami? →95sovereignty - 3
Matomo
Open sourceGPL analytics you host yourself — the compliance answer.
Self-hosted core free. Cloud hosting and premium plugins are paid. · in our Amplitude comparison →
What is Matomo? →92sovereignty - 4
OpenPanel
Open sourceMixpanel-style product analytics with a web-analytics front door.
Free and open source to self-host. Hosted plans available. · in our Amplitude comparison →
What is OpenPanel? →90sovereignty - 5
Countly
CommercialMobile-first analytics you can run on-premise — but check the licence.
Community edition free to self-host under its own licence terms; enterprise is commercial. · in our Amplitude comparison →
What is Countly? →66sovereignty
Is it free?
The free tier, its real limits and where you start paying — read from each vendor's own pricing page and dated.
Run these yourself
What each one actually needs — real RAM, honest running cost, and the setup time nobody quotes.
- Self-hosting PostHog 16 GB, and that number is not padded. ClickHouse, Kafka, Zookeeper, PostgreSQL, Redis/Valkey, Temporal with Elasticsearch, a headless Chromium and a few dozen PostHog services all share it (about 38 services in the hobby compose file).
- Self-hosting Umami 1 GB with PostgreSQL alongside
- Self-hosting Matomo 4 GB once traffic is real, and MySQL wants most of it
Replacing a specific tool?
Head-to-head comparisons for each popular product analytics product.
Straight head-to-heads
Two product analytics tools, side by side — verified facts and a plain verdict.