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Your menstrual cycle

decoded

Clue is the science-based, data-driven menstrual and reproductive health app, trusted by 10 million globally.

  • Download the Clue app on the App Store
  • Download the Clue app on the Play Store

100M+

App downloads

4.8

An illustration of a five star rating

2.5M+

reviews

Make every cycle count

Turn your menstrual cycle into a powerful tool to uncover insights into your overall health with Clue.

Science based

Clue is CE-marked Class 1 medical-grade device.

From a women-led team

Made with deep insight and care in Berlin, Germany.

Strict data privacy

We'll never let your data be used against you.

What our users say

Our subscription models

Free

Clue Basic

  • Create an account for free

  • Get essential cycle statistics

  • Plan ahead with basic cycle predictions

Premium

Clue Plus

  • Unlock advanced cycle insights, predictions and pattern analysis

  • Switch tracking modes based on your specific needs and goals

  • Use Clue Connect to share your cycle with a partner or loved one

  • Enjoy unlimited access to content from medical experts

  • Unlimited tracking customization

Help us illuminate the blindspots in female health

With 15 billion data points and counting, we're on a mission to use data for good with our research partners from institutions like Berkeley, 4M, MIT to close the diagnosis gaps for historically under-researched and misdiagnosed conditions like endometriosis, PMDD, PCOS, and so many more.

Your data is safe with us.

No matter where you are in the world, if you use Clue, we will never allow your private health data to be used against you. We have never and will never sell data to third parties or disclose your data to any authority, under any circumstances. Your Clue data is always protected by the strictest data privacy laws in the world.

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GDPR compliant

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