New release image We are excited to announce the release of Menstrudel v4.1.0, packed with requested features, better predictions and more!

Get the Menstrudel App

What’s New

  • Preview logged data on calendar: New dots indicate logged symptoms and pain levels.
  • Fertile window on calendar: View your fertile window directly on the calendar screen.
  • Fertility Chance: Daily fertility chances are now shown on the “Today” screen.
  • Second period prediction: The app now predicts your next two periods.
  • Ovulation and fertility notifications: You can now enable alerts for ovulation day and fertile windows.
  • Improved cycle predictions: Cycle phase forecasts are now more accurate and reliable.

Preview logged data on calendar

Logged data preview

New visual indicators let you see pain levels and symptoms at a glance. You no longer need to open individual logs to review your data.

Fertile Window on Calendar

Fertile Window on Calendar

Your fertile window is now visible directly on the calendar. If you prefer a cleaner view, you can turn this off under Settings > Cycle Notifications & Predictions.

Fertility Chance

Fertile chance

Check your daily fertility status—categorised as low, medium, or high—directly on your dashboard.

Note: Predictions are a guide for natural cycles. Enabling pill tracking or hormonal contraceptives will disable this feature to maintain accuracy.


Bug Fixes

  • Cleanup of service classes
  • General code refactors
  • General bug fixes

Get Involved

We love hearing from you! Menstrudel is an open-source project, and its success is a team effort. Here’s how you can help us make it even better:

  • Share Your Thoughts: Found a bug? Have an idea for a new feature? We track all development on GitHub.
  • Help with Translations: Is there a language you want supported? Join our effort and help us translate Menstrudel on Crowdin: https://crowdin.com/project/menstrudel

  • Spread the Word: Tell your friends about Menstrudel! Leaving a 5-star review on the App Store or Google Play is one of the easiest ways to support the app.

Thanks for your continued support!