All of our predictions are based on the most up-to-date science. We collaborate with scientists and universities to ensure continuous improvements.
Never get lost in your tracked data. With frequent analysis reports and a clear calendar overview you’ll draw conclusions quickly.
Learn about personal patterns with 30+ tracking options like cramps, skin, hair, sleep and more to gain a better understanding of how your body works.
We keep your data safe and secure and you can save or delete your data any time. We will never sell your data or use it to show you personalized ads.
over 2M+ ratings
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.