Menstrual Calendar is a clean period-tracking app for Android. Log your cycle and see periods, fertile days and predicted ovulation at a glance — on the calendar or right on your home screen with the widget.
Features
- Calendar view with period, fertile window and ovulation marked
- Cycle prediction based on your own history
- Home-screen widget for an instant view without opening the app
- Simple one-tap logging
- Data stays on your device — private and works offline
Privacy
Health data is sensitive. This app keeps your records on your own device; see the privacy policy for details.
Download
- Price: Free
- Downloads: 100+ on Google Play
- Last updated: May 5, 2026
- Content rating: Everyone
Questions or suggestions? Reach me via the contact page or email cn.xiaowen@gmail.com. See also the privacy policy.