Live in sync with your cycle

From period to pregnancy tracking, Clue's got you covered.

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

4.8

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2M+ ratings

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Data secure

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Ethics driven

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Female led

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A group of 3 phones with a grey background
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a collection of logos from various magazines

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articles

Track periods, ovulation & PMS

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Picture of a couple of phone screens
Picture of a couple of phone screens

Track periods, ovulation & PMS

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Get predictions based on the most up-to-date science

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Keep track of your cycle lengths to observe patterns

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Your predictions get more accurate every time you track

Discover patterns in your cycle

Use 30+ different tracking options to find out how your cycle affects things like mood, skin, energy levels and much more.

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Picture of a girl holding a phone
А list of available tracking options in the app
А list of available tracking options in the app
А list of available tracking options in the app
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an image of four phones with various views of the Clue app.
An image of four phones with different views of the Clue app over a grey background
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Make choices that are right for you

Learn about your body from the data in your app and our science-based articles to make informed health choices.

4.8

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2M+ ratings

Why people love Clue

"Accurate, informative, easy to use! The clean and fun design makes tracking your cycle, dare I say, fun?"

Nicole Layton

"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."

Sophie Purdie

"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."

Esther Mungai

Personalized reminders & analysis

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Set up calendar reminders for your period, PMS, ovulation, or birth control pill

A picture of a Clue app notification with the message your next cycle is about to begin.
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Find out if your cycle may be considered irregular or regular

A picture of a Clue app notification with the message your average cycle length is 45 days.
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12 million people trust Clue with their data

Keeping your private health data safe and secure has always been at the core of everything we do. You can import, export, or delete your data any time.
Keeping your private health data safe and secure has always been at the core of everything we do. You can import, export, or delete your data any time.
  • Keeping your private health data safe and secure has always been at the core of everything we do.
  • You can import, export, or delete your data any time.
Image of a phone with PIN code being entered.
Image of a phone with PIN code being entered.
Image of a phone with PIN code being entered.

Get health advice from our medical experts

Benefit from tips and articles about periods, sex and reproductive health, complete with medical and scientific references.

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Image of three in-app screenshots.

Image of three in-app screenshots.
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Image of a woman holding a phone
4.8
An illustration of a five star rating

2M+ ratings

Download Clue

Start tracking your period, ovulation & PMS.

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

Clue Birth Control

Our new digital contraceptive.

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Image of a woman holding a phone
Image of a woman holding a phone

Coming soon

to the US