Period Tracker Period Calendar

Remind your next period, fertile days. Easy to conceive or birth control

Sports Tracking Technologies Ltd. · com.popularapp.periodcalendar

4.6 out of 5 (112 ratings) 100M+ downloads v1.77.365.GP 58.9 MB Android 6.0+ PEGI 3 · Everyone

Download APK 58.9 MB All versions

Signature matches the Google Play version Details

Period Tracker Period Calendar screenshot 1

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At a glance

Latest version: v1.77.365.GP (365)
Updated: Sep 4, 2026 (1 month ago)
APK size: 58.9 MB
Requires: Android 6.0+ (API 23)
CPU support: x86 32-bit, x86 64-bit, ARM 32-bit, ARM 64-bit
Category: Health & Fitness (app)
Listed since: May 7, 2012
Permissions: 23 (1 sensitive)
Developer contact: [email protected]
Privacy: Developer's privacy policy

About this APK

Period Tracker Period Calendar is an app by Sports Tracking Technologies Ltd. in the Health & Fitness category, listed since May 2012. It includes native code for x86 32-bit, x86 64-bit, ARM 32-bit and ARM 64-bit, so it runs on practically every phone.

Since version 1.746.294.GP, the APK grew from 19.8 MB to 58.9 MB and the minimum Android version rose from 4.4 to 6.0. It asks for 23 permissions, 1 of them sensitive: modify shared storage. It asks for the same permissions as version 1.77.364.GP. The app offers in-app purchases through Google Play and can read the advertising ID that ad and analytics services use.

Ratings

4.6out of 5112 ratings

5 ★76%
4 ★14%
3 ★5%
2 ★3%
1 ★2%

Ratings from users of the source store — not collected or verified by AAPKs.

What's new in v1.77.365.GP

Pregnancy Mode got a big upgrade! Watch your baby's size grow week by week and see what to expect for you and your baby. Enjoy it all in a smoother, more accurate pregnancy tracker.

Description

From the listing uploaded by “appupdater”.

★The rating 4.9★ period calendar! Popular in 63 Countries. Trusted by 300 million Android Users. Keep track of your menstrual cycles with Period Calendar. It tracks your periods, cycles, ovulation and the chance of conception. Period tracker helps both women looking to conceive and those trying to birth control. Period Tracker is useful, whether you have irregular periods or regular periods. It can track your chance of pregnancy every day. You can also record your cervical mucus, BMI, sexual activity, weight, temperature, symptoms or moods. Think of it as your personal period diary. It will help you get in shape, lose weight, and stay healthy. PILL REMINDER & PERIOD REMINDER: - Customize the notification text to make it discreet, to avoid never being embarrassed in public. - Notifications for period, fertility and ovulation tracker - Contraceptive pills reminder (includes pills, ring, patch & injections) PERIOD & FERTILITY TRACKER: - Helps predict menstruation, cycles, and ovulation - Ovulation calculator and tracker - Period calculator and fertility calculator TRYING TO GET PREGNANT & BIRTH CONTROL: - Fertile symptoms tracker, like cervical firmness, cervical mucus, cervical opening - Check your odds of conceiving each day for better family planning; LOSE WEIGHT, TRACK SYMPTOMS & MOODS: - Intimacy tracker - Body temperature chart helps you determine ovulation date - Predict your ovulation date according to the ovulation test result NEVER LOSE DATA: - Utilizes Google account data backup and Restoration - Backup and restore your period data to phone or email MULTI ACCOUNT & SECURITY: - Multi accounts to track & security protections - View or search all notes through your timeline SUPPORT FOR WEAR OS COMPLICATIONS & TILES: Period & ovulation prediction, water drinking reminders, and pill reminders are all available by setting up complications and tiles on your wear OS devices.

Version history

7 versions are listed; the oldest rated Trusted is v1.746.294.GP. Since v1.77.348.GP it requires Android 6.0+.

v1.77.365.GP LATEST Sep 4, 2026 58.9 MB TRUSTED v1.77.364.GP Sep 6, 2026 55.7 MB TRUSTED v1.77.361.GP Aug 6, 2026 55.1 MB TRUSTED v1.77.348.GP Apr 2, 2026 48.2 MB TRUSTED v1.77.331.GP Jan 14, 2026 28.7 MB TRUSTED

All 7 versions

Period Tracker Period Calendar among popular Health & Fitness apps

Period Tracker Period Calendar is one of the 36 most downloaded apps in our Health & Fitness category. It has the best rating of the apps in this table.

Period Tracker Period Calendar and the Health & Fitness apps ranked next to it by downloads
App	Rating	Downloads	Download size
Sweatcoin Pays You To Get Fit	4.4 (121)	100M+	46.7 MB
Calorie Counter - MyFitnessPal	4.2 (81)	100M+	–
Period Tracker Period Calendar (this app)	4.6 (112)	100M+	58.9 MB
Google Fit: Activity Tracking	4.1 (89)	100M+	31.4 MB
Blood Pressure App	–	50M+	–

Apps listed next to it in our Health & Fitness ranking by downloads (pre-installed system apps left out). Ratings and download counts come from the source store; ratings with fewer than five votes and sizes of outdated listings aren't shown.

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on Sep 4, 2026.
Certificate issued to “abishkking” This is the certificate of the Google Play version.
Same certificate as the 2 other versions checked

Store checks and file details

Developer signature verified Sep 4, 2026
Validated against Google Play Sep 4, 2026
Signed byCN=abishkking, OU=abishkking, O=abishkking, L=zhengzhou, ST=henan, C=CN
Signing certificate (SHA-1)16:B4:08:75:4B:DB:D7:FC:3A:0C:BB:C0:03:C3:F7:35:62:64:76:00
File MD55e8a69e34b061a966c52bffc392b9268
Uploaded by “appupdater” Gold tier · 117,810 followers · uploading since 2020

Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures (2 other versions compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (23)

Period Tracker Period Calendar requests 23 permissions, 1 of them sensitive.

Modify shared storage Sensitive android.permission.WRITE_EXTERNAL_STORAGE
Access adservices ad id android.permission.ACCESS_ADSERVICES_AD_ID
Access adservices attribution android.permission.ACCESS_ADSERVICES_ATTRIBUTION
Access adservices topics android.permission.ACCESS_ADSERVICES_TOPICS
Advertising ID com.google.android.gms.permission.AD_ID
Context write use app feature survey (custom) com.samsung.android.providers.context.permission.WRITE_USE_APP_FEATURE_SURVEY
Control vibration android.permission.VIBRATE
Foreground service media playback android.permission.FOREGROUND_SERVICE_MEDIA_PLAYBACK
Full network access android.permission.INTERNET
Google Play install referrer com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE
In-app purchases (Google Play Billing) com.android.vending.BILLING
Internal broadcast protection (app-defined) com.popularapp.periodcalendar.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Prevent the device from sleeping android.permission.WAKE_LOCK
Read Google service settings com.google.android.providers.gsf.permission.READ_GSERVICES
Receive push notifications com.google.android.c2dm.permission.RECEIVE
Request ignore battery optimizations android.permission.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS
Run at startup android.permission.RECEIVE_BOOT_COMPLETED
Run foreground services android.permission.FOREGROUND_SERVICE
Schedule exact alarms android.permission.SCHEDULE_EXACT_ALARM
Show notifications android.permission.POST_NOTIFICATIONS
Use component (custom) com.huawei.permission.external_app_settings.USE_COMPONENT
Use fingerprint hardware android.permission.USE_FINGERPRINT
View network connections android.permission.ACCESS_NETWORK_STATE

Required hardware & features

Basic touch input android.hardware.faketouch
Portrait screen android.hardware.screen.portrait

Period Tracker Period Calendar APK: questions and answers

Is there a version of Period Tracker Period Calendar for older Android phones?

The current version needs Android 6.0 or later. Version 1.77.331.GP is the newest listed build that installs on Android 5.0 and later. Get version 1.77.331.GP · All versions

Can I install this APK over the version I already have?

Yes, if your installed copy is older. It is signed like the Google Play version, so Android installs it as an update and keeps your data.

Is Period Tracker Period Calendar free?

The APK is free to download, but the app offers in-app purchases through Google Play.

Is the Period Tracker Period Calendar APK safe?

No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. Its signature matches the Google Play version. It is signed with the same certificate as the 2 other versions checked. After downloading, check that the file's MD5 is 5e8a69e34b061a966c52bffc392b9268.