Basic Cycle

Content rating
Everyone
5+
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Content rating
Everyone
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About this app

Log period days, symptoms, notes, intimacy, and ovulation. See your cycle on a calendar, browse a journal by month, and view statistics and patterns over time. Predictions for upcoming periods, fertile days, and ovulation are estimates based on the data you enter.

Your data stays on your device only — private local storage with no account required. Simple, clean, and easy to use.

No clutter, just basic cycle tracking.
Simple period tracker
Updated on
Sep 6, 2026
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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 optional Backup & Restore (Google Backup and folder backup)
• Improved cycle prediction and fertile-window accuracy, with clearer uncertainty when cycles vary
• Polished calendar and drawer UI for clearer period tracking
• Updated target SDK to 36