Periodt is a privacy‑first Android app that keeps all cycle data on the device and uses on‑device logic to predict upcoming periods, fertile windows, and ovulation estimates — with full pill tracking and post-pill recovery awareness.
⚠️ Medical disclaimer: Predictions are for informational purposes only and are not medical advice. Please consult a healthcare professional for accurate results.
- Period tracker — log cycles with daily bleeding intensity, blood color, and pain levels
- Multiple profiles — track for yourself or someone else, switch instantly from the nav bar
- Private — no internet permission, no analytics, no cloud sync. your data never leaves your device
- Encrypted — your data is locked on your device, nobody else can read it
- Pill tracker — pack logging and daily reminders
- Smart predictions — learns your patterns over time with outlier filtering and a personalised luteal phase
- Reminders — period, fertile window, and pill notifications, all processed on-device
- Deeper cycle insights and symptom trends
- Local encrypted backups
- Lock screen widgets
- More languages
Issues and PRs are welcome. If you're planning something big, open an issue first so we can align before you dive in.
GNU General Public License (GPL) — see LICENSE.
Built by Benny
