Open Period & Cycle Tracker

1+
Downloads
Content rating
Everyone
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About this app

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
Updated on
Apr 8, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
No data collected
Learn more about how developers declare collection

What’s new

Added yoga & wellness guides tailored to each cycle phase, period reminder notifications, improved analytics and AI health diagnosis, data backup & restore, cycle report sharing, and various UI and performance improvements.