Menstrudel Period Tracker

Menstrudel: The Private, Open Source, Offline Period Tracker & Cycle Calendar

Menstrudel is the simple, powerful, and private period tracker designed to give you complete control and true ownership over your health data. Unlike cloud-based solutions, Menstrudel protects your privacy and security.

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THE 100% OFFLINE DIFFERENCE: YOUR DATA, YOUR CONTROL
We prioritise your privacy above all else. When searching for a trusted period tracker or menstrual app, privacy is key.

- 100% Offline Storage: All your sensitive menstrual cycle data, symptoms, and logging information is stored securely and completely offline on your device.

- No Servers, No Cloud: Your data is never sent to any external server or third party. There are no accounts and no tracking.

- Biometric Security: Protect your private health information with immediate biometric access controls.

If you are looking for a completely offline period tracker solution, Menstrudel is the choice for data ownership.

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OPEN SOURCE & TRANSPARENCY
Trust requires transparency. Menstrudel is an open source project, meaning the code is publicly available for anyone to audit and review.

- Auditable Code: Our commitment to open source ensures you know exactly how your data is handled. We are built on community trust, not corporate data collection.

- Community Focused: Help us improve your favorite offline period calendar by contributing to the project.

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CYCLE & SYMPTOM TRACKING
Menstrudel is an intuitive and reliable period and pill tracker. It is designed for easy, on-the-go logging and detailed cycle analysis.

- Log Everything: Track your menstrual cycle, pill intake, custom symptoms, pain, and flow with simple taps.

- Period Prediction: Get reliable predictions for your next period and upcoming cycle dates with our smart period calendar function.

- Reminders: Never miss a step with support for upcoming period reminders, late period alerts, and daily pill reminders built right in.

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LARC TRACKING & REMINDERS
Menstrudel allows users to track their Long-Acting Reversible Contraception usage.

- Simple Logging of Administration: Easily record the exact date your LARC was administered. This creates an accurate timeline of your birth control usage.

- Flexible Expiration Dates: Users can easily adjust the calculated expiration date to match their doctor's advice, allowing for off-label use or specific renewal protocols.

- Never Miss a Renewal: Get timely, customisable notifications well before your LARC expires to schedule your appointment.

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QUICK ACCESS
Extend your period tracking to your home screen for maximum convenience.

- Widget Support: Use the home screen widget for quick view of your next predicted period due date.

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WEAR OS INTEGRATION
Extend your period tracking to your wrist for maximum convenience.

- Quick Logging: Use the companion Wear OS app for simple, fast logging of periods.

- At-a-Glance Information: Quickly view your predicted next cycle date and important reminders without needing your phone.

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DATA PORTABILITY
We make sure your health data is always accessible to you.

- Export and Import: Retain full control with the ability to easily export and import your personal health data whenever you need it.

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Choose Menstrudel: The secure, open source, and truly offline period tracker that respects your privacy.

Recent changes:
- Spanish Translations
- Fixed cycle length variance chart columns display order