Get to know your menstrual cycle with the award-winning Clue app. Clue makes it easy to stay in sync with your body and track your period, fertility, and cycle-related experiences accurately and effortlessly.
Whether you’re trying to get pregnant, tracking cycle-related experiences, or navigating the changes of perimenopause, Clue’s got you covered.
Backed by science and founded and led by women, Clue is trusted by millions of people worldwide. Thanks to our Berlin headquarters, your data with Clue is protected by some of the strictest data privacy laws in the world (GDPR). Your health data will never be sold or disclosed. No matter where you live.
What can Clue do for you?
PERIOD & MENSTRUAL CYCLE TRACKING
Clue Period Tracking empowers you to become the expert of your unique body.
• Know when to expect your period and plan ahead with advanced, personalized predictions
• Discover your body’s unique patterns by tracking 100+ experiences connected to your cycle like feelings, PMS, cravings, pain, sex drive, and much more
• Review an analysis of your past periods and cycles, including average cycle length, period length, period flow, and cycle variation
• Log your birth control method, including pills, IUD, ring, patch, and more
• Set up calendar reminders for your period
• Add a widget to your home screen so you can see your current cycle and know when your period is predicted to start
• Sync your period data with Apple Health
• Get answers to your health questions with science-based content that breaks down complicated topics like fertility, STIs, and the science of sex into easy-to-understand articles
FERTILITY & OVULATION CALCULATOR
Clue’s clinically-tested technology takes the mystery out of getting pregnant and can easily tell you your most fertile days.
• Get personalized ovulation and fertility predictions for the best time to try or do home insemination
• Access tips and advice from fertility experts to help you understand the science behind getting pregnant
PREGNANCY TRACKING
• Follow the growth of your baby with weekly updates on size, weight, and development
• Track your body's changes during pregnancy, like increased smell and taste, pregnancy glow, sleep quality, the supplements you take, and more
• Receive weekly tips and support from OB-GYNs and Nurse Midwives
PERIMENOPAUSE
Get support throughout your transition to menopause (a time known as perimenopause)
• Track hot flashes, sleep changes, your mood, and more
• Stay on top of your changing cycle
• Learn how your body is changing with expert-led articles
Get the most out of Clue, plus access to all four tracking modes (like Clue Conceive and Clue Pregnancy), with a Clue Plus subscription!
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.
Note: Clue should *not* be used as a contraceptive. Clue is made to help people understand their menstrual and reproductive health by tracking their data, as well as predicting fertile days to aid conception. The app does not substitute professional medical advice, diagnosis, or treatment. Your healthcare provider can give you advice on your specific needs and situation.
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In-Apps
1 Month
£7.99
12 Months
£23.99
Clue Period Tracker - 1 year
£24.99
Clue Period Tracker - 1 Month
£7.99
Clue Period Tracker - 12 Month
£23.99
Screenshots
User Rating
4.71 out of 5
101,540 ratings
in United Kingdom
5 star
82,860
4 star
12,376
3 star
3,702
2 star
923
1 star
1,679
Ratings History
Reviews
Disgusting
They support baby murder. SANCTE Michael Archangele, defende nos in proelio, contra nequitiam et insidias diaboli esto praesidium. Imperet illi Deus, supplices deprecamur: tuque, Princeps militiae caelestis, Satanam aliosque spiritus malignos, qui ad perditionem animarum pervagantur in mundo, divina virtute, in infernum detrude. Amen 🙏🏼
Love it!!!
I’ve only been using for a few days now and my other app wasn’t great (wont name names) but I knew I had to get a new one bc my period was starting soon but I had to know when. So I installed this app and all I had to do was fill in my average cycle and my last period and it was 100% accurate!!! Look, I’m only 12 but I love this new app and I defo recommend for any children or adults.
I used to love this app but the bug is very annoying
I used to absolutely adore this app, I’ve been using it since my first period in 2017 and I’ve never regretted my choice until recent. With every new update the app becomes more crowded and harder to use. The constant pop ups about the 7 day free trial and the non functional switch to hide data I can’t see anyways due to it being behind a pay wall are annoying. When I want to look at my cycle history I can only see about 3 cycles on the screen at once due to the “show data” switch being in a permanent on position and it’s very frustrating. I initially thought it was a bug so I waited for the next update and yet it’s still there. Please fix it soon.
Pushing paid subscription too hard
I have loved tracking my periods with clue for years. It’s such a reliable, trusted and informative app. However, recently almost every part of the app has been blocked requiring a subscription fee in order to be accessed. I find it really contradictory that such an inclusive service would be so inaccessible to people who aren’t able to afford the paid service. Very disappointing!
clue review
love the app and extremely helpful
however i feel there should be a fruit/vegetable option in the cravings
Trusty
So accurate on my start date and the more I use it the more accurate it is for my cycle length. Trusty little period sidekick
Best period tracking app out there
I really enjoy using this app! It’s so easy to use when I want to track my periods. I’ve been using it for 6 years now and it never fails to disappoint!!! 10/10 recommend
Good
This is a great app but there needs to be an option to flag that my periods have stopped because of contraception. App tells me I’m 90+ days late 😂 I know. I’m happy about that!
The other tracking modes are not suitable for my situation.
Unbelievably shortsighted
Don’t use this app - every single time you make an input they have a popup asking you to buy a subscription.
Every single time you make an input.
Nuts!
Why they want to alienate their clients whose data they’re already gathering for free I don’t understand 🤷🏻♀️
Doesn’t work for irregular periods
I like the easy interface and free version is adequate to track your period and things like accompanying pain etc. Unfortunately the app won’t let me track my irregular periods, which I find really frustrating and not very inclusive. It’s odd it’s like this because a lot of people struggle with this. So if your period starts, stops and starts again, you literally cannot track it like that and have to choose which of the times it started you deem the period to be when a) you don’t know and b) perhaps they both are. You can’t even make the app show this visually either. I just wish I’d used another app from the start that could accommodate me but all my data is in Clue now. I contacted their customer service a few years ago about this and nothing has ever happened - they didn’t seem interested. Shame because I’d potentially use the paid version if the app was more useful.