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.
Summarized from real user reviews of Period Log. Based on 1.2K reviews and a 4.7/5 average, it highlights the 7 positives and 5 negatives reviewers mention most about this Health & Fitness app.
8.0
January 17, 2026
⁃ Compatible with iOS 26. ⁃ Adds Catalan, Danish, Hebrew, Hungarian, Romanian, Slovak, Swedish and Vietnamese. ⁃ Other minor bugs fixed.
More3 issues
Data not saving properly after app updates
Calendar view not displaying all entries correctly
5 requests
Option to remove ads
Ability to sync data across devices
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.
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.
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.
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.
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.
