Try the app

Three months of Mary, in your hands

This is the real app layout filled with sample data. Mary is 51, on a patch and a pill, and seeing Dr. Patel in 18 days. Tap anything. Nothing you enter here is saved or sent.

1. 1Log in two tapsLog a hot flash →
2. 2Your day on one screenCycle day, today’s doses and what you logged. Bleeding has its own log, because it matters to your clinician in its own way.Open Today →
3. 3See what changedOpen Trends →
4. 4Every patch, pill and doseOpen Treatments →
5. 5Walk in with one pagePreview the report →
6. 6Short reads, not a feedOpen Learn →

iPhone only for now. In the real app your logs sync to servers in the EU. Apple Health data stays on your phone. Halcyon is a diary, not a medical device.