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Screenshots

  • Period Log screenshot 1
  • Period Log screenshot 2
  • Period Log screenshot 3
  • Period Log screenshot 4

About Period Log

Period Log is designed for you to track and predict your fertility and menstrual cycles. With Period Log, you can track almost everything about your cycles, period days, cycle days, fertile days, ovulation day, flow, mood, symptom, intimate, spotting, breast self-exam, weight, temperature and notes. Period Log will make you life much easier. You can view details of your cycles at a glance, refer predicting periods to make well plans of date, private life, having baby, visiting doctor, and travel etc, doing something advance for important exam, match etc. Key Features: ⁃ Screen name is P. Log. ⁃ Track period, ovulation, fertile days, moods, weight and symptoms etc. ⁃ Predict following periods, ovulation and fertile days. ⁃ Two modules are provided to predict your periods, default days and average days. ⁃ Calendar design and icons to show your info visually. ⁃ Add or edit periods easily. ⁃ Receive reminder if periods is comings. ⁃ Receive reminder of breast self-exam. ⁃ Passwords to protect your info. ⁃ Supports Touch ID as passcode. ⁃ Help documents to help you how to use this app. ⁃ Pregnancy module is provided, calculates delivery date and days remains. ⁃ Support units of lbs and kg, °F and °C. ⁃ Supports Wifi backup and restore. ⁃ Supports Dropbox backup and restore. ⁃ Supports transferring data to Health app. ⁃ Supports universal version. ⁃ Supports Apple Watch version. Let’s your periods in control and prepare well when those days are coming, instead of being overwhelmed by her sudden visit. Please contact us by this email [email protected] if you have any question or suggestion.

Ratings & reviews

4.7

1.2K ratings

5 ★ 81% 4 ★ 12% 3 ★ 4% 2 ★ 1% 1 ★ 2%

What’s new

Version 8.0 · Updated January 17, 2026

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

App privacy

The developer, 倩 赵, reported these privacy practices to Apple.

Data Used to Track You

The following data may be used to track you across apps and websites owned by other companies:

  • Identifiers: Device ID

Data Not Linked to You

The following data, which may be collected but is not linked to your identity, may be used for the following purposes:

  • Identifiers: Device ID
  • Health & Fitness: Health
  • User Content: Photos or Videos

Used for: Third-Party Advertising, App Functionality

Alternatives to Period Log

Looking for apps like Period Log? Here are 6 similar apps on the App Store. The highest rated is Menstrual Calendar FMC (4.6/5), and all 6 are free to download.

Period Log vs. alternatives
App Rating Price Last updated
Period Log 4.7 / 5 (1,211 ratings) Free January 17, 2026
Menstrual Calendar FMC 4.6 / 5 (193) Free Jan 29, 2026
Period Tracker: Monthly Cycles 4.0 / 5 (3,809) Free Mar 31, 2026
Period Tracker. Cycle Calendar 4.5 / 5 (568) Free Jan 6, 2024
Period Tracker: Cycle Calendar 4.6 / 5 (144) Free Jun 3, 2026
iPeriod Lite Period Tracker 4.4 / 5 (4,867) Free Sep 14, 2026
Period Tracking Calendar 4.6 / 5 (10,706) Free May 26, 2026