Period Diary iPhone App: The Best Way to Track Your Cycle…Period!

Reviewed by Grace Light

Period Diary Pro (Menstrual Calendar) -


Price: $1.99

If you are a lady, read this iPhone app review that will make your life easier every month.  Men, you may want to skip to the next iPhone app review, or forward this to your gal who will thank you for it!

Every time I’m planning a vacation, or sitting at the OB-GYN, I find myself guesstimating the last dates of my menstrual cycle.   I know we are supposed to circle in red pen the dates of our cycle on our paper calendar, but who wants this information hung publicly?  Then again, who even still uses a paper calendar?

Thankfully, there is an iPhone app for that – and Period Diary is much more than tracking the days of your cycle.  In fact, it is the most robust way to track your menstrual cycle, fertility, and ovulation — and predict when it will all start again with the next moon!

More Features than You Knew You Needed:

When I performed the iPhone app review, I found that Period Diary goes far beyond the basics of simply tracking your period.   Period Diary’s is well thought out, and it is more comprehensive than I ever imagined.  You can record specific notes for each day, tracking your moods and symptoms, as well as see a predictive overview for your entire cycle.

Period Diary makes it easy to track your symptoms so you can easily spot the onset of PMS.   This will make it much easier to explain to yourself why you have wolfed down a Godiva chocolate bar!  It will also help keep your arguments with your significant other in perspective (and why his usually charming jokes are so annoying this week).  Simply tap on the graphics of how severe your symptoms are, ranging from acne to dizziness, as well as cravings and flow.

Period Diary

Easily tap on the charmingly illustrated graphic for your accompanying mood, whether it is in love, lethargic, crying spells, or flirty.  My only comment here is that the mood confused is spelled “confussed,” which could have conceivably been done on purpose.

For each day, you can also create custom notes, and there is a small heart icon that you can touch for those days you are intimate.

You can email all the reports to yourself, which is helpful to bring to your annual exam.  You can even synchronize it with your Google calendar, which makes it great for planning vacations and date nights!

Usefulness for All Women:

Using the “period log,” you can see when your period is predicted to strike next, when you will be fertile, and when ovulation will begin.

Period Diary uses the Rhythm method (also known as the Knaus Ogino method), as well as the Standard Days Method created by the Institute for Reproductive Health at Georgetown University.   This makes Period Diary (which is discretely named P.D. on your iPhone) especially helpful for women who are hoping to conceive.  You can even set up alerts to ensure you don’t miss your window of opportunity!

From its detailed, feature-rich design to its integration with Google Calendar and your email, I am happy to give Period Diary a 5/5 star in this iPhone app review.  It now has a special place on my iOS, but thankfully, I don’t think anyone will know that it’s the little flower app named “P.D.”

Period Diary requires iOS 3.0 or later and is compatible with iPhone, iPod touch, and iPad. A small expedite fee was paid by the developer to speed up the publication of this review.

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2 Responses to “Period Diary iPhone App: The Best Way to Track Your Cycle…Period!”

  1. […] These Apps: MyFitnessPal and PeriodDiary. […]

  2. Trish says:

    My app is froze on my iPhone. Any suggestions on what I can do to fix it?

    Thank you!

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