Health apps got very good at collecting data and very bad at saying anything. You'd wake to a dashboard of rings and charts and still not know the one thing that mattered: should I push today, or pull back?
So we built Birll around a single job: every morning, read your overnight signals, decide what's worth your attention, and say it in one plain sentence. The charts are still there when you want them — they're just no longer the point.
The result is one clear decision a day, biomarkers and vitals tracked in context, and an AI coach that cites its sources — all on a device that keeps the sensitive parts to itself.
Anyone can show you a chart. We do the harder work of deciding what it means today and telling you in plain language. If a number doesn't change a decision, it doesn't lead.
Your body's signals are the most personal data you have. Sensitive inference runs on your device, everything is encrypted, and you can export or delete it all in a tap. Privacy isn't a setting here — it's the design.
We don't dress up guesses as gospel. Birll AI cites the data behind every claim, and when the signal is thin, it says so. Trust is the whole product.
Clean type and layout aren't decoration — they're how we make a wall of metrics legible. Typography, rhythm and restraint are how the insight actually reaches you.
Decides what your morning summary says — and what it leaves out.
Turns raw sensor streams and bloodwork into ranges that mean something for you.
Makes the whole record legible — the type, the rules, the restraint.