Open Period & Cycle Tracker

Take control of your menstrual health with Open Period Tracker, a free and open-source app designed to make period tracking effortless and private.

Key Features:
- Period Tracking: Log your periods and get accurate predictions for upcoming cycles.
- Ovulation & Fertility Window: Know your most fertile days with smart cycle analysis.
- AI-Powered Insights: Get personalized health insights based on your cycle patterns.
- Cycle History: View your complete menstrual history at a glance.
- Symptom Logging: Track symptoms, moods, and notes throughout your cycle.
- Calendar View: Visualize your cycles with an intuitive calendar interface.


Why Open Period Tracker?
- 100% Free: No subscriptions, no premium features locked behind paywalls.
- Privacy First: Your data stays on your device. No accounts required, no data sold to third parties.
- Open Source: Fully transparent code that anyone can review and contribute to.
- Lightweight: Fast, clean, and easy to use without unnecessary bloat.
- No Ads: Enjoy a distraction-free experience.

Who Is It For?
Whether you're trying to conceive, avoid pregnancy naturally, or simply want to understand your body better, Open Period Tracker gives you the tools you need without compromising your privacy.

How It Works:
Simply log the start and end of your period. The app learns your cycle patterns over time and provides increasingly accurate predictions for your next period, ovulation, and fertile window.

Download Open Period Tracker today and start understanding your cycle — on your terms

Recent changes:
Diet & Nutrition tab with phase-aware foods, regional picks, and personalized recommendations based on your dietary preferences and allergies — plus smoother keyboard handling in logs and more reliable backup restore.