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Clue Period & Cycle Tracker

Track all of your female health needs with this sleek app

Clue helps women know when their period is coming, but also alerts them to their PMS mood swings beforehand, as well as fertility and ovulation

Clue Period & Cycle Tracker

by BioWink GmbH
Track your cycle
Clue Period & Cycle Tracker
Clue Period & Cycle Tracker
FREE in the App Store

Clue helps women know when their period is coming, but also alerts them to their PMS mood swings beforehand, as well as fertility and ovulation.

Apple Watch
Clue Period & Cycle Tracker Apple Watch App
Clue Period & Cycle Tracker Offers Apple Watch App
Check the details on WatchAware

Track your cycle. Clue makes it super easy to keep track of when your cycle occurs. Once you input the data, you can see your cycle as a circle, with 21 or 28-days. The circle is marked when your period happens and even when you're going to be the most fertile. And to top it off, you can track your mood during your period and see if it has anything to do with your cycle over time.

Track your cycle
Clue gives you clues

Clue gives you clues. Clue not only keeps track of your period, but it helps you remember too. With Clue, you can set reminders for when your cycle and fertile windows begin, when you're going to have PMS, and more. All of your data can be synced with HealthKit, so you can have full reports to provide doctors if needed. And over time, Clue will give you insights into your unique patterns, so you can learn even more about your body than you previously thought.

What is it about?

With Clue, women will be able to understand their own cycles much better. Not only does Clue serve as a period tracker, but it can even alert you when you're going to have PMS, so be warned, everyone! It also can track your most fertile ovulation times, in case you and your partner are attempting to get pregnant in the near future. Clue is also capable of tracking your unique patterns, such as pain, sex, bodily fluids, moods, and more. And if you have an Apple Watch, you're able to view your cycle info as a glance, so it's discreet and always ready when you need it. It's also fast to input your data into Clue and get fairly accurate predictions, so make sure to give this one a try if you're looking for a complete period and fertility tracker.

For those who...

  • Want an all-in-one women's health tracker
  • Want an Apple Watch companion app for tracking their menstrual cycle
  • Need a warning before their PMS is likely to hit

Not for those who...

  • Are fine managing period tracking on a regular calendar
  • Want informative articles to go along with their period tracker
  • Need an app that can share information directly with their partner

Why we love it

Clue has a sleek interface that is colorful and fun, not pink and girly like you'd expect a period tracker to be. Plus the information that it can track is comprehensive, it's fast, and there is an Apple Watch companion app to go along with everything.

App Screenshots

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Clue Period & Cycle Tracker screenshot-1
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Clue Period & Cycle Tracker screenshot-7

App Details

Health & Fitness Medical
Last updated
February 1, 2023
Release date
July 9, 2013
More info

App Store Description

Meet Clue - the only period, ovulation, and menstrual cycle tracker 100% based on science.

Stress-free cycle tracking with personalized, pinpointed predictions for your period, fertile days, and everything in between. Clue’s got you covered for each phase of your menstrual and reproductive health and makes it easy to live a life in sync with your unique cycle. Founded and led by women, Clue is trusted by millions of people all over the world, thanks to factual, easy-to-understand tracking and an unwavering commitment to helping everyone understand what their cycle is saying about their health.

Trying to conceive? Get pregnant faster with daily fertility predictions, based on a clinically tested algorithm that finds your ideal days to try or do home insemination.

Your privacy is important to Clue.
• Clue does not sell your personal health data and will never disclose it
• Clue is based in the EU, protected by some of the strictest data privacy laws in the world (GDPR)

Experience the app that everyone with a cycle is talking about.
• Best Fertility App 2022, Healthline
• App of the Day, Apple


Easily track your period, discharge, birth control methods, and more, plus log 60+ other factors like skin, mood, pain, and energy levels to understand your body. Just tap what you're experiencing and the industry-leading AI algorithm calculates the rest, allowing you to discover how your cycle affects things like your hair, workouts, and sex life. With Clue, you can count on reliable birth control reminders and period predictions - you’ll even get a heads-up from Clue when you might be tracking something outside of your typical pattern.


Get pregnant faster without the hassle of temperature checks or pee tests. With Clue Conceive, everything you need to increase your chances of getting pregnant is at your fingertips and backed by fertility experts. Simply track your period start date and the app will give you daily predictions for your good, better, and best days to have sex or do home insemination.

Get the most out of Clue with a Clue Plus subscription.

Try Clue Plus and experience the all-in-one reproductive health app for every phase of your cycle, with access to science-based articles, six months of advanced cycle predictions, enhanced analyses of your unique cycle patterns, and more. Your Clue Plus subscription also includes Clue Conceive, so you can easily adapt the app to your body’s changing needs.

A few legal details:

After you choose the Clue subscription that’s right for you & confirm your purchase, the credit card associated with your iTunes Account will be charged. Once purchased, your subscription will automatically renew unless auto-renew is turned off at least 24 hours before the end of the current period. If you currently have a free trial, any unused time will be forfeited when you purchase a subscription.

If you want to renew your subscription, your account will be charged the same amount you paid for your initial subscription, 24 hours before the end of the current period. You can manage or change your subscription at any time, including turning off auto-renewal, by going to the ‘Account Settings’ on your device after the purchase.

If you have any questions, our Support Team is here to help. Feel free to reach out through the app or at

Note: Clue should *not* be used as a contraceptive.

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