Clue Period, Ovulation Tracker

Clue Period Tracker by BioWink

In-app purchases

About this app

Get to know your menstrual cycle with the award-winning period tracker app Clue. Clue accurately predicts your next period, PMS, ovulation, and fertile days based on the most up-to-date science, and helps you understand your body better with health advice from medical experts.

With Clue, your menstrual cycle and fertility will no longer be a mystery. Track more than 100 different experiences related to your cycle like cramps, hair, skin, feelings, sleep, and sex life, to see if there’s a pattern. Whether you’re trying to get pregnant, want to be more prepared for your period, or curious to learn more about your symptoms and cycle in general, Clue’s got you covered.

Founded and led by women, Clue is an all-in-one period tracker, ovulation tracker, period calendar, and pregnancy app trusted by millions of people worldwide. Clue does not sell your personal health data and will never disclose it.

What can Clue’s period, ovulation, and pregnancy tracking do for you?

PERIOD TRACKING & MENSTRUAL CYCLE APP

• Know when to expect your period and plan ahead with advanced, personalized period, ovulation, and PMS predictions
• View your menstruation, ovulation, and fertile window in a menstrual calendar and period diary
• Discover your body’s unique patterns by tracking 100+ experiences connected to your cycle like feelings, cravings, pain, sex drive, and much more
• Log your birth control method, including pills, IUD, ring, patch, and more
• Get answers to your menstrual health questions with science-based content written by medical experts
• Learn the science behind sex, fertility, getting pregnant, and irregular cycles with easy-to-understand articles

OVULATION TRACKER & FERTILITY CALCULATOR

Clue’s clinically-tested ovulation tracker technology takes the mystery out of getting pregnant and can easily tell you your ovulation, fertile days, and pregnancy chances.

• Get pregnant faster without temperature checks or pee tests
• Track your period start dates to see pregnancy chances throughout your menstrual cycle
• Get personalized 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 APP & PREGNANCY TRACKER

• Follow your pregnancy and the growth of your baby with weekly updates on size, weight, and development
• Pregnancy calculator and due date calculator
• 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

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 menstrual cycle and pregnancy:
✓ Full access to science-based articles
✓ A period calendar with six upcoming cycle predictions
✓ Clue Pregnancy (pregnancy tracker)
✓ Clue Conceive (fertility and ovulation tracking)

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

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Millions of people around the world trust Clue as their period tracker, ovulation tracker, and fertility app. Start tracking your menstrual cycle and put the power of science and the support of fertility experts in your own hands.

Ratings and reviews

Used to be a very good app. Now, anytime you do anything (and I mean ANYTHING) you get a pop-up about buying a premium account and details about all its extra features. It seems they change the location of the x out button each time too because I find myself fiddling around trying to figure out how to get back to the screen I was just on. Incredibly annoying. Been using this app for years but this aggressive level of advertising is making me want to switch.

I DO really like this app. It's easy to track my cycle, predict potential ovulation days, and predict when my next cycle should start. It's easier than me trying to keep track myself. HOWEVER, the constant advertising for premium is OUT OF CONTROL. I understand needing some kind of financial gain with a mostly free app, but doing ANYTHING on the app, gets a pop up for the premium. It's a turn off. At least make it ONCE every time we open the app. Not after EVERY LITTLE THING.

The constant pop ups for premium are very frustrating and the reminders for birth control aren't working properly. When I choose the start date for my current pack, it sets it to the day before the one I selected. I am also unable to choose a start date under the "birth control" section, I choose the date and nothing happens. I have to go through the "reminders" section for it to work.

What's new

What’s new? Advanced analysis and tracking options, plus the return of one of Clue's most popular features.

- Track your period cramp severity with brand-new tags

- 12+ exercise activities to track

- Period flow graphs and new cycle overviews in your Analysis Tab

- Clue Connect is back! Share your cycle with a loved one

- Charts of your cycles over time are waiting in your Analysis Tab