Become a co-owner from just €10 and shape the future of menstrual and reproductive health with us.
From period to pregnancy tracking, Clue's got you covered.
No matter where you are in the world, we will never allow your private health data to be used against you.Read more
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Get predictions based on the most up-to-date science
Keep track of your cycle lengths to observe patterns
Your predictions get more accurate every time you track
Use 30+ different tracking options to find out how your cycle affects things like mood, skin, energy levels and much more.
Learn about your body from the data in your app and our science-based articles to make informed health choices.
Accurate, informative, easy to use! The clean and fun design makes tracking your cycle, dare I say, fun?
Clue is such an invaluable app! As someone with PCOS and other health conditions that contribute to painful and irregular cycles, Clue has helped me to see patterns in my cycle.
This app is almost scary with how accurate it is in prediction of ovulation and menstruation times. I'd give 10 stars if I could.
Benefit from tips and articles about periods, sex and reproductive health, complete with medical and scientific references.