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Period Log

Period Log

Cycle Tracker & Moon Calendar

1.2K ratings
467 reviews
With Ads
💪 Health & Fitness
🏥 Medical
Free
With Ads

Details

Released
January 13, 2012
Updated
January 17, 2026

Features

Developer

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About

Track and predict your menstrual cycles, fertility, and ovulation. Log period days, flow, mood, symptoms, and more. Receive timely reminders and protect your data with password protection.

✓Track period, ovulation, and fertile days
✓Predict future cycles and fertile windows
✓Log moods, symptoms, and flow
✓Visual calendar with icons
✓Customizable reminders
✓Password and Touch ID protection
✓Pregnancy mode with due date calculation
Show original description

What users say about Period Log

Reviews of Period Log are mostly positive: the Health & Fitness app is rated 4.7/5 from 1.2K App Store ratings. What users like most: easy to use, helpful for tracking cycles. Top complaints: too many ads in free version, occasional bugs or glitches. Summarized from real user reviews.

Positive things

  • 👍Easy to use
  • 📆Helpful for tracking cycles
  • ⏰Accurate period predictions
  • 📝Ability to log symptoms and moods
  • 💻Simple and straightforward interface
  • 🤰Useful for family planning
  • 🏥Helpful for doctor appointments

Negative things

  • 💸Too many ads in free version
  • 🐛Occasional bugs or glitches
  • 🔄Difficulty editing or deleting entries
  • 🔍Limited customization options
  • 📊Inaccurate ovulation predictions for some users
See all reviews

What's New in Period Log

8.0

January 17, 2026

⁃ Compatible with iOS 26. ⁃ Adds Catalan, Danish, Hebrew, Hungarian, Romanian, Slovak, Swedish and Vietnamese. ⁃ Other minor bugs fixed.

More

User reviews

Most RecentHighest RatedLowest Rated

Great App!

It keeps a super accurate reading of when I will expect my period. I definitely recommend this app
AARoss2910

Easy period log & journal

Downloaded this when my old period app was bought out and pulled from the App Store & this one is a near perfect match. I love that it’s passcode protected
BBct1

Great app! Keeps me on track

Great app, allows you to record flow pain mood etc. I always know where I am in my cycle!
CFChristmas fairy

Excellent app

Very good app to track your cycles.
NNajmeh18

Like it!

Like it!
KKgray1009
See 462 more reviews

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User experience

🐞

Reported Bugs

3 issues

Data not saving properly after app updates

Bug

Calendar view not displaying all entries correctly

Bug

Notifications not working as expected

Bug
✨

Requested Features

5 requests

Option to remove ads

Feature

Ability to sync data across devices

Feature

More detailed symptom and mood tracking

Feature

Customizable reminders and notifications

Feature

Integration with other health apps

Feature

FAQ

What does Period Log do?

Period Log is an application designed to help you track and predict your menstrual cycles, fertility, and ovulation. It allows you to log various details about your cycles, including period days, flow, mood, symptoms, and more, providing insights and predictions for better planning.

What are the key features of Period Log?

Key features include tracking period, ovulation, and fertile days, predicting future cycles, logging moods and symptoms, a visual calendar, customizable reminders for periods and breast self-exams, password protection with Touch ID support, and a pregnancy module for due date calculation.

Is Period Log free to use?

The application is free to use, supported by advertisements. While the core tracking and prediction features are available without charge, users may encounter ads within the app.

What devices is Period Log compatible with?

Period Log is a universal version supporting both iPhone and iPad. It also offers an Apple Watch version for convenient tracking on your wrist. Data can be backed up and restored via Wi-Fi or Dropbox, and it supports transferring data to the Health app.

How can Period Log help with planning?

By accurately tracking and predicting your cycles, Period Log helps you make well-informed plans for various aspects of your life. This includes planning for your private life, potential pregnancy, doctor visits, travel, or important exams and matches, allowing you to prepare in advance.