Period Calendar Period Tracker

Period Calendar Period Tracker for Android

Period Calendar Period Tracker is a health and fitness app from Simple Design Ltd. for tracking menstrual cycles, ovulation, and fertility.

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Period Calendar Period Tracker helps women with regular or irregular periods track their cycles, ovulation, and daily chance of pregnancy, whether they are trying to conceive or avoid pregnancy. The app is free, works without an account, and requires Android 6.0 or higher.

Size
59 MB
Requires Android
6.0
Updated
10.09.2026
Installs
100M+
Rating
★ 4.89 (4 894 349)
Category
Health & Fitness
Developer
Simple Design Ltd.
Content rating
Everyone
Package
com.popularapp.periodcalendar
Free
✓ · Contains ads · In-app purchases

Screenshots

Period Calendar Period Tracker main calendar view showing menstrual cycle predictionsPeriod Calendar Period Tracker ovulation and fertile window tracker screenPeriod Calendar Period Tracker pregnancy mode showing baby size by weekPeriod Calendar Period Tracker pill reminder notification settingsPeriod Calendar Period Tracker symptom and mood tracking diaryPeriod Calendar Period Tracker body temperature chart for ovulation predictionPeriod Calendar Period Tracker conception odds indicator for daily fertilityPeriod Calendar Period Tracker data backup and restore options screen

Period Calendar Period Tracker is a health and fitness app by Simple Design Ltd. that helps users monitor menstrual cycles, predict ovulation, and track fertility. It addresses the challenge of managing both regular and irregular periods by providing daily predictions of period, fertile window, and conception probability. The app functions as a personal period diary, allowing users to log blood flow, cervical mucus, body temperature, weight, mood, and other symptoms. It also includes contraceptive pill reminders and supports pregnancy tracking, making it useful for those trying to conceive as well as those using natural birth control methods. Data can be backed up via Google account or email, and the app supports multiple accounts with privacy features, including anonymous usage and one-click data deletion.

Key features

  • Predicts menstruation, cycles, and ovulation with calculators for period, fertility, and ovulation.
  • Tracks daily pregnancy chance and fertile symptoms like cervical firmness, mucus, and opening.
  • Logs body temperature, weight, BMI, sexual activity, symptoms, and moods for a detailed health diary.
  • Provides customizable reminders for periods, fertility, ovulation, and contraceptive pills (including pills, ring, patch, and injections).
  • Includes a pregnancy mode with week-by-week baby size growth and expectations for mother and baby.
  • Supports Wear OS complications and tiles for period/ovulation predictions, water drinking, and pill reminders.
  • Offers multi-account tracking with security protections and a searchable timeline for notes.
  • Allows backup and restore via Google account, phone, or email, with encrypted anonymous data sync.

How to install

  1. Tap the download button on this page to get the APK file (size: 59 MB).
  2. When Android prompts, allow your browser or file manager to install apps by enabling the 'Install unknown apps' setting.
  3. Open the downloaded APK file from your notification bar or file manager.
  4. Tap 'Install' and wait for the installation to complete.
  5. Open the app from your app drawer or home screen. The app requires Android 6.0 or higher.
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Pros

  • Comprehensive tracking for periods, ovulation, and fertility in one app.
  • Useful for both conception and birth control planning.
  • Customizable reminders with discreet notification text.
  • Supports multiple accounts and secure data backup options.
  • No account creation required; usage can be anonymous.
  • High user rating of 4.89 based on over 4.8 million ratings.

Cons

  • Contains ads, which may interrupt the experience.
  • Offers in-app purchases, which may limit some features without payment.
  • Requests permissions for location, photos/media/files, and storage, which may raise privacy concerns for some users.
  • Requires Android 6.0, so older devices may not be supported.

What's New

This update brings a major upgrade to Pregnancy Mode. You can now watch your baby's size grow week by week and see what to expect for both you and your baby. The pregnancy tracker is also smoother and more accurate.

Other Versions

VersionSizeRequires AndroidUpdated
1.77.355.GP51 MB6.011.10.2026
1.77.364.GP56 MB6.006.09.2026
1.77.365.GP59 MB6.004.09.2026
1.77.361.GP55 MB6.006.08.2026
1.77.348.GP48 MB6.002.04.2026
1.77.331.GP29 MB5.014.01.2026
1.746.294.GP20 MB4.418.01.2024

This app is designed for women who want to track their menstrual cycles, whether to conceive, avoid pregnancy, or simply monitor their reproductive health. It suits those with regular or irregular periods, as well as individuals who prefer a detailed diary of symptoms, moods, and body metrics. It is also helpful for anyone using contraceptive pills or other birth control methods, and for expecting mothers who want to follow pregnancy development. The app's anonymous usage and multiple account support make it suitable for users who value privacy and flexibility.

To improve prediction accuracy, log your period start and end dates consistently, and record additional data like temperature and cervical mucus daily. Use the backup feature regularly to avoid data loss, and customize notification text to keep reminders discreet. If you are trying to conceive, pay attention to the fertile window predictions and consider tracking ovulation test results for better accuracy.

Permissions

LocationPhotos/Media/FilesStorage

Frequently Asked Questions

How many users does Period Calendar Period Tracker have and what is its current rating?

The app reports being trusted by 300 million users and popular in 63 countries. Its current rating stands at 4.89 based on over 4.8 million ratings.

What can I track besides my period and ovulation?

Beyond period and ovulation, the app lets you record blood flow, cervical mucus, BMI, sexual activity, weight, temperature, symptoms, moods, and intimacy. It also includes a body temperature chart and allows prediction of ovulation based on test results.

Does the app support reminders for contraceptive methods beyond pills?

Yes, the pill reminder covers not only contraceptive pills but also rings, patches, and injections. You can customize the notification text to keep it discreet in public.

How can I back up my data and what are my privacy options?

You can back up and restore data using your Google account, phone, or email. The app supports multiple accounts and security protections, and your anonymous data can be synced in an encrypted manner. You can delete all data with one click, and no account creation or real-name registration is required.

What does the latest update to the pregnancy mode include?

The most recent update upgraded Pregnancy Mode to show your baby's size week by week and provide expectations for both you and your baby, in a smoother and more accurate pregnancy tracker.

Period Calendar Period Tracker offers a robust set of tools for menstrual and fertility tracking, backed by a high user rating and extensive feature set. Its combination of predictions, reminders, and data management makes it a practical choice for many users, though ads and in-app purchases are factors to consider.

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Updated: 24.10.2026

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