New release image Happy New Year! We’re kicking off 2026 with our biggest update yet. We are excited to announce the release of Menstrudel v4.0.0, packed with requested features and a smoother user experience.

Get the Menstrudel App

What’s New

  • Smart Onboarding: A new guided setup to help you get the most out of Menstrudel from day one.
  • User Goals: Tailor your experience. The app now adapts its interface based on your specific tracking goals.
  • Sex Activity Tracking: A dedicated way to log and monitor sexual activity.
  • Refined Contraception Categories: “LARCs” has been renamed to Reversible Contraception for better clarity.
  • Specific IUD Types: Support for both Copper and Hormonal IUDs.
  • Cycle Phase Prediction: Understand your body’s rhythm with new phase forecasting.
  • Guided Data Flows: Import, export, and deletion tasks are now handled through a simple, step-by-step wizard.
  • Expanded Insights: New visual trends for Sanitary Products and Sex Activity.
  • Vertical Scrolling Calendar: View more data at once without toggling between months.
  • Customisable Week Start: Choose which day starts your week in settings.
  • Community Translations: Improvements to language support thanks to our contributors.

Onboarding Flow

Onboarding Flow

New and existing users will be greeted by a streamlined onboarding flow. This ensures your profile and preferences are set up correctly for the most accurate tracking.

Sex Activity Tracking

Sex Activity Log Screen Sex Activity Insight Screen

You can now log sexual activity and view long-term trends within the new Insights tab.

Cycle Phase Prediction

Cycle Phase Prediction

Gain better insight into what your body is going through.

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

Guided Data Flows

Guided Data Flows

We’ve replaced the complex data settings tab with a guided flow, making it easier than ever to manage your data securely.

More Insights

Sanitary product insight screen

Track your usage of sanitary products over time with our expanded charts and statistics.

Scrolling Calendar

Scrolling Calendar

The new vertical layout allows you to see periods that cross month boundaries without losing context.


Bug Fixes

  • Major rework of period and log systems.
  • Fixed FABs animations not working
  • 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!