Meet our CEO, Rhiannon White
The #1 women-led period and cycle tracker app
Understand your body like never before. Science-based, privacy-first.
For everyone with a cycle.
For everyone with a cycle.
100M+
App downloads
4.8
Get smarter every cycle
The Clue app supports every life stage – from your first period to perimenopause.
Track cycle symptoms in seconds
See how your cycle affects your mood
Know when your period, PMS and ovulation days are coming
Anticipate symptoms before they show up
Know when you’re fertile
Turn gut feelings into evidence
Your data is safe with us
Data privacy is non-negotiable. We have never, and will never, sell your health data or share it with any authority. Your Clue app data is protected by strict EU privacy laws, no matter where you are in the world.
Strict German and EU data privacy standards
Using data for good
Closing the gap with bleeding-edge science
For too long, women’s health has been under-researched. We're changing that. In partnership with Oxford, Berkeley, MIT and other leading institutions, our real-world data is advancing women’s health research.
Join the movement
Trusted by millions in over 190 countries
“I've been tracking my cycle for over 2 years now and thanks to your analytics my doctor picked up on some mild PCOS.”
Verified Clue user
Clue Plus has taught me things about my body I should have learned earlier in life but didn’t. I also love the feature that allows me to share my cycle data with my partner.”
Verified Clue user
“Designed and run by women who aren’t selling your data. Intuitive to use and an interface that is lovely to look at but also clean lines and simple. I’ve been using Clue for years now.”
Verified Clue user
"I urge all women to always listen to their bodies, and for extra peace of mind, download the Clue app. I believe it saved my life; it could save yours."
Verified Clue user
"Tracking my symptoms (with Clue) gave me the confidence to say to myself, 'I do know what I’m talking about, I do know my experiences and I have the data right here."
Verified Clue user
“Had been trying to get pregnant for a few months with nothing happening and started using this app to track my period and ovulation and was expecting within two months!”
Verified Clue user
“I think this app is so well made and highly useful. It is invaluable when I have doctor dates. As someone going thru perimenopause I really appreciate the ability to see patterns.”
Verified Clue user
Choose the plan that works for you
Clue
Free
- Create an account for free
- Get essential cycle statistics
- Plan ahead with basic cycle predictions
Download app
Clue Plus
Premium
- 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 loved one
- Enjoy unlimited access to content from medical experts
- Unlimited tracking customization
Get 25% off
Built by women, for everyone with a cycle
Ida Tin co-founded Clue in 2012 as the first women-led period tracker. Her mission: give people with cycles the tools to understand their own bodies. Today, Clue remains women-led, science-driven, and trusted by millions.
More about Clue
