Clue is the #1 period tracker app that uses science to help you discover the unique patterns in your menstrual cycle and support healthy habits. Track your period and health cycles to keep all aspects of your health and fitness in check. Track alongside with millions of people for accurate information. Get personalized reminders about your period, PMS, ovulation, and fertility.
With Clue, your health will no longer be a mystery. Track and monitor your period and health trends with multiple mood trackers, exercise trackers, and health logs. Clue learns from you how you really are.
It’s quick and easy to track your period, PMS, and general health with Clue.
**Rated the top free period and ovulation tracker app by the journal Obstetrics & Gynecology, a publication of the American College of Obstetricians and Gynecologists (ACOG).**
+ Track your period, flow heaviness, and the menstrual products you used.
+ Receive accurate predictions and calendar reminders before your next period, PMS, and ovulation.
+ Record even more with your health. Track sex, pain, moods, cervical fluid, and more.
+ Track and predict periods with our calendar. Easily view past periods, PMS, and fertility data, as well as upcoming predictions for your next three cycles.
+ Read in-depth information about the menstrual cycle, complete with medical and scientific references.
+ Check out an analysis of your current and past menstrual cycles, along with an overall average, to easily observe trends.
+ Clue uses an algorithm that learns from the data YOU input. The more you use it, the smarter it gets.
+ Enhanced iOS features, including reproductive health integration with the Health app, Touch ID and Today Extensions.
General Health & Fitness Tracking:
+ Log your birth control, or plan for pregnancy.
+ Track your basal temperature for more accurate ovulation and fertility predictions—perfect if you’re trying to conceive.
+ Track your health through your period, PMS, birth control, ovulation, cramps, emotions, skin, hair, sleep and more.
+ Track your exercise habits daily and see the effect it has on your overall health.
Want more from Clue? In addition to the personalized insights you receive from the free version of Clue, you could get Forecasts that predict when you might experience PMS, cramps, and other patterns in your cycle with Clue Plus. You’ll also be notified if your period length or cycle length falls out of the normal range.
1-month subscription for $0.99
12-month subscription for $9.99
After you choose one of our plans and confirm your purchase, the payment will be charged to your credit card through your iTunes Account. Any unused portion of a free trial period, if offered, will be forfeited when you purchase a subscription model , where applicable.
Once purchased, subscriptions will automatically renew unless auto-renew is turned off at least 24-hours before the end of the current period.
If you decide to renew your subscription, your account will be charged the same amount you paid for your initial subscription within 24-hours prior to the end of the current period. At any time you can manage your subscription and turn off auto-renewal by going to the Account Settings on your device after the purchase.
Download Clue and start tracking your health today!
Please note: Clue – Period Tracker is not a contraceptive.
**We want to hear from you**
We love hearing from Clue users. Send your feedback, questions and suggestions to email@example.com.
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- Fixed iOS 12 crashes
If you still have issues, please let us know: firstname.lastname@example.org
Thanks for all your feedback! We welcome reviews in the app store or you can always write to us: email@example.com
Ratings and Reviews
Amazing app!! ❤️❤️
I got my period almost a month ago, and so far Clue has been soooo helpful estimating just about anything that I would need to know. When my next period is going to start which is coming up, according to Clue and I think that is pretty accurate because I have been having cramps. This app is pretty accurate and so far it has not been wrong and has helped me learn about my period which was needed 😂 and hopefully will assist me in the future.
One bit of constructive criticism is that I got the app the day that I realized I got my period, and the app asks you some questions to help get an accurate estimation, but I think it should have a question about if this is your first period and then alter the questions after that if it is because I did not understand most of the questions at all. I don’t know if this was helpful because I am obviously not an expert 😂 but it was just a thought. Oh I just had another thought. It asks you about your birthday and if it turns out that you are my age (12 almost 13) for example it shouldn’t have things like pregnancy and stuff because obviously I’m not going to get pregnant 😂 although this is something that does not need to happen it’s just extra information that could be deleted. Anyways, this is an amazing app and I would definitely recommend it whether this is your first period or you’ve had many before.
Developer Response ,
Hello! Thank you so much for your feedback. Feel free to reach us at firstname.lastname@example.org whenever you need to :) With :heart: from Berlin, Sabrina
Let me start by saying I have been using this app for around 4 years now and I love it! But ever since it came out with the whole “premium membership” thing I miss some aspects that I used to have. I no longer receive emails basically as a summary of my last cycle and I used to look forward to receiving those, it helped me get a better understanding of my cycle. And I don’t know if that is a feature in the premium membership I just noticed that when the app came out with premium membership I stopped receiving those emails, and personally I think that’s something everyone should have the privilege of receiving premium membership or not. But i also wish the app was a little more descriptive with its data, or at least had more options. For exercising I wish it had more options, it only has things like running and swimming but what about those who weight lift or walk? There are other things I wish it had as well like dizziness or how much you ate in a day or anxiety/depression, some of these things may already be on there some of them may not but I still think it’s good to have them/look into more options to collect data for. Overall, this app is great with tracking my period I just wish it went a little more in depth and helped you understand what all of it meant like it used to.
Love this app (and a suggestion)
I have used Clue for years and I love it! It has helped me learn about my cycle and take control of my healthcare needs in a way I’ve never experienced. The only suggestion I have is that I wish I could track pregnancy in it as well- as far as I know there is a pregnancy option but it basically shuts down projections and eliminates the data from that time in the analysis. I don’t want to track fetal development or anything like that but it would be great if I could track my symptoms and experiences associated with pregnancy without having to mark a cycle as inactive. I had a miscarriage last fall and as we have started trying to get pregnant again I have wished that data was more available so I could see patterns and trends on months when I was pregnant compared to months that I wasn’t. As it is, when you say a cycle is inactive it won’t show you what day you were suspected to have ovulated, etc. which would be really valuable in trying to conceive. I really do appreciate this app and the work you are doing on it- I just wish it could track additional information and normalize the pregnancy experience without skewing or losing data. Thank you!
Developer Response ,
Hi ! Thanks for your sweet feedback :) Please keep in touch. Let us know if there's anything we can do better and write us a message to email@example.com. With <3 from Berlin, Ana
- BioWink GmbH
- 170 MB
- Health & Fitness
- Requires iOS 10.0 or later. Compatible with iPhone, iPad, and iPod touch.
- English, Danish, French, German, Hindi, Italian, Japanese, Korean, Polish, Portuguese, Russian, Simplified Chinese, Spanish, Traditional Chinese, Turkish
- Age Rating
- Rated 12+ for the following:
- Infrequent/Mild Mature/Suggestive Themes
- Infrequent/Mild Medical/Treatment Information
- © BioWink GmbH
- In-App Purchases
- 1 Month $0.99
- 12 Months $9.99
With Family Sharing set up, up to six family members can use this app.