Period Tracker, the easiest way to track your health!

*Now supports HealthKit, 3DTouch, TouchID, portrait charts, Advanced TTC Mode (the easiest way to get pregnant by following the homepage timeline’s simple prompted instructions!), and Pregnancy Mode with articles and week-by-week images.

Period Tracker is SIMPLE and CUTE.
* 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, moods, symptoms, weight, temp, and fertility notes in a simple month-view calendar.
* Discreet iPhone icon simply reads "PTracker."

* Take daily notes of menstrual symptoms including Spotting, Flow, Cramps, Headaches, Backaches, Bloating, Tender Breasts, and Body Aches!
* Track your weight, temperature and moods (over 30+ moods to choose from!)
* Add custom symptoms and moods
* Charts! Beautiful, comprehensive and handy. Charts show weight, temp, symptoms, period length, cycle length, and more.
* Backup/Restore your data with your online backup and restore account. (works across platforms)
* Homescreen shows your predicted ovulation, eight day "fertile window,” and your cycle day. Great for trying to conceive.
* Pregnancy mode activates countdown to baby's due date and week-by-week articles.
* Protect your privacy with TOUCH ID or with a passcode option that is fast and easy.
* Export your period dates and notes to email for doctor's visits.

Period Tracker is loved by millions of users.
MommaRed - "I really like this application. It is easy to use, easy to track and plan for upcoming events. The recent updates have made it even better. One of my favorite iPhone apps."

Blanczz226 - "This is one of my favorite apps. I use it every month and it's extremely accurate. Worth the $ for sure" - "Period Tracker is the ultimate menstrual mentor. You enter in your info, and it tracks your cycles, letting you keep notes about your activities and well being, all the while using twee 'lil hearts .and flowers to denote important days."

Celstemc - "One of my first apps and I am completely in love with it! Won't use another one like it!! Cute and easy to use!"

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.

Please email comments and suggestions to

What's New

Version 10.1

Bug Fixes

Ratings and Reviews

4.8 out of 5
460 Ratings
460 Ratings



I’ve used this app for years and find it handy. Even if your cycle isn’t like clockwork at least it can give you an idea of where you’re at. One improvement suggestion- rather than use only the last three periods to work our cycle length please use ALL recorded cycles. One of the first questions a midwife / dr asks when you get pregnant is how long is your cycle? This helps determine due date. Three entries is not enough data for an average of any type. This causes mine to swing wildly and doesn’t give me an average at all. I think a lot of improvements could be made to the look and layout of the app too, it feels a bit old and clunky, but still five stars as it’s a free app and it’s useful to me.

Period Log confusing


I’ve used this app for years and really like it but an update that happened a year or so ago has made the period log a bit confusing for me. On the day you get your period it predicts the cycle length for the following month by saying (expected) and then shows a number of days that it predicts. Whereas for me, the day I get my period should indicate how long that cycle length just was. For example if I get my period on June 10, next to June 10 on the log it should show the cycle length from my period that happened in May. Not the one that is expected to happen in July. Though I like a predictive date, it just confuses me where it’s placed in the log. Why not have the (expected) date in a section next to the following month?

Great little app!

Tricia Gan

Easy to use to keep track on my period, ovulation date, fertile date etc.
The pregnancy mode has a lot of useful information, we find this very handy.
Highly recommend this app for those who likes keeping on track with periods, trying to conceive & during pregnancy.


GP International LLC
68.8 MB
Health & Fitness
Requires iOS 9.0 or later. Compatible with iPhone, iPad and iPod touch.
English, Dutch, French, German, Italian, Japanese, Korean, Portuguese, Russian, Simplified Chinese, Spanish, Swedish, Traditional Chinese, Turkish, Ukrainian
Age Rating
Rated 12+ for the following:
Infrequent/Mild Mature/Suggestive Themes
Infrequent/Mild Sexual Content and Nudity
© 2018 GP Apps


  • Family Sharing

    Up to six family members will be able to use this app with Family Sharing enabled.

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