Period Tracker

Contains adsIn-app purchases
359K reviews
Content rating
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About this app

Period Tracker is the easiest way to track your periods!

* Press a button at the start of your period every month. Period Tracker logs your dates and calculates the average of your past 3 months' menstrual cycles to predict the start date of your next period.
* View your current and future period dates, ovulation and fertile days, your moods and your symptoms in a simple month-view calendar.
* Decorate your phone with an icon that looks great on your home screen and that's discreet. It reads simply "P Tracker."

* Take daily notes of moods, symptoms, and intimacy.
* Easily view the number of days until next period or number of days late.
* Know when you're fertile with flowers that show on your homescreen during your predicted ovulation and eight day "fertile window."

Please email comments and suggestions to

Disclaimer: Period Tracker period and fertility forecasts may not be accurate and should not be used to prevent unwanted pregnancy. To forecast ovulation Period Tracker calculates 14 days before the projected start date of one's next period. Forecast accuracy depends on a number of factors including how regular one's cycle length is, when one actually ovulates during the cycle, and how many periods have been logged in the app. Anxiety, stress, diet, nutrition, exercise, environment, medications, age and other factors can also affect one's cycle from month to month.

By downloading this app you agree to the End User License Agreement at .
Updated on
Jun 19, 2022

Data safety

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359K reviews
K Tab
June 27, 2022
Super simple to use. I downloaded many PT apps and this was the one. Easy to find everything and understand the functions. The emotions are cute and relatable, symptoms accurate. I also appreciate the abstenince mode 😇. I'm a teen so my period cycle is still changing, I needed an app that's customizable enough, and this one is. You can tell it when your period begins and ends, and if it doesn't at the predicted date, no biggie. This app has helped me to learn more about myself.(Free version)
24 people found this review helpful
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June 25, 2022
I've been using this app since 2013 and it's very accurate and helpful. My only concern is that I can't send my notes to my email anymore. Nothing happens when I click the export button. Please helppp! I used to be able to save an html download of all my notes and now.. nothing.
34 people found this review helpful
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Neha S
May 24, 2022
Its a pretty decent app. I have been using it for many years now and it works well for keeping track of menstruation, symptoms, etc. I have not had to use it for anything else yet but so far so good. I did have some issues and lost all the data when I got a new phone, it took a couple of months but it finally let me sync my old saved data and I got it back.
23 people found this review helpful
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What's new

Bug fixes