Live demo · Website · Docs · Use with ChatGPT / Claude · Source
Open-source analytics for every app you ship. One panel you can check.
Vitrus is cookie-free web and product analytics for websites, iOS and Android apps where every number opens the query that produced it — the SQL, its parameters, the window and the rows. The weekly AI summary is checked against that same evidence: a sentence whose number isn't in it is dropped before you read it.
- All your apps, one panel — add
vitrus.identify(user.id)and see who is new, who came back, who you lost and who started paying, for every app side by side; open an app for each user, under a made-up name. The id is hashed in the browser before it is sent — no email or name is stored. - Heatmaps — where people click and how far they scroll, per device, drawn from your own session recordings; nothing extra is collected.
- AI traffic, told apart — people that ChatGPT, Claude or Perplexity send you; crawlers that only read your pages; agents that sign their requests (Web Bot Auth). Never added together.
- Ask your AI — connect ChatGPT, Claude, Cursor or Claude Code over MCP (OAuth, read-only, 17 tools).
Every answer carries its query, so the assistant cites instead of guessing. Listed in the official MCP
Registry as
dev.vitrus/analytics. - Everything else you expect — real-time, a 3D globe, sessions, funnels, journeys, goals, revenue, retention, Web Vitals, errors, opt-in masked replay, Search Console.
- No cookies, no consent banner. A 3.0 KB script. Do Not Track honoured.
vitrus — Apache-2.0, zero runtime dependencies, one process and one SQLite file. Self-host it for free:
git clone https://github.com/Vitrus-Dev/vitrus && cd vitrus
bun install && bun run build:tracker
alias vitrus="bun $PWD/packages/cli/src/cli.ts"
vitrus init && vitrus site add "My site" example.com
VITRUS_PASSWORD="a long secret" vitrus startOr use the hosted version at app.vitrus.dev — free plan, paid plans from $12/month. The self-hosted dashboard is simpler than the hosted one today; the queries behind every view are in the open-source core.