Period and Ovulation Tracker

Menstrual cycle calendar, Ovulation calculator, Fertility calculator, Period App

SMSROBOT LTD · com.smsrobot.period

4.0 out of 5 (3 ratings) 10M+ downloads v8.5 12.2 MB Android 6.0+ PEGI 3 · Everyone

Download APK 12.2 MB All versions

Signature matches the Google Play version Details

Watch the Period and Ovulation Tracker trailer on YouTube

Period and Ovulation Tracker screenshot 1

Period and Ovulation Tracker screenshot 2

Period and Ovulation Tracker screenshot 3

Period and Ovulation Tracker screenshot 4

Period and Ovulation Tracker screenshot 5

Period and Ovulation Tracker screenshot 6

Period and Ovulation Tracker screenshot 7

At a glance

Latest version: v8.5 (76)
Updated: Sep 10, 2026 (28 days ago)
APK size: 12.2 MB
Requires: Android 6.0+ (API 23)
CPU support: x86 32-bit, x86 64-bit, ARM 32-bit, ARM 64-bit
Category: Medical (app)
Listed since: Nov 12, 2013
Permissions: 16 (1 sensitive)
Website: lillylogs.com
Developer contact: [email protected]
Privacy: Developer's privacy policy

About this APK

Period and Ovulation Tracker is an app by SMSROBOT LTD in the Medical category, listed since November 2013. 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 8.2, the minimum Android version rose from 5.0 to 6.0. It asks for 16 permissions, 1 of them sensitive: find accounts on the device. It asks for the same permissions as version 8.4. The app offers in-app purchases through Google Play and can read the advertising ID that ad and analytics services use.

What's new in v8.5

Thank you for using Lilly Tracker. This is a bug fix update that improves Period Tracker performance!

Description

From the listing uploaded by “appupdater”.

Period Tracker Lilly माहवारी कैलेंडर, सर्वोत्तम अवधि, चक्र और डिंबोत्सर्जन ट्रैकर और ऋतु चक्रों Best Period and Ovulation Tracker helps you to track your cycle and can predict your next menstruation, fertile days and ovulation. If you are trying to conceive ovulation calculator predicts your fertile days when chance of conceiving is highest and helps you get pregnant fast. Our if you are trying to avoid unwanted pregnancy you can use our app to plan safe days or get contraceptive pill reminders every day. In our Menstrual cycle calendar you can enter daily notes and track PMS, symptoms, period flow, moods and intercourse. Lilly menstrual calendar learns from your inputs and makes better prediction of future periods and fertile windows through time, we use all up to date scientific methods available to track and plan your cycle. Using Lilly is easy, just tap a single button once a month on first day of your period and relax, Lilly period tracker will do the rest. One thing that separates Lilly from all the others is vibrant woman community called Girl Talk forum. Become a part of our supportive woman community and take control of your health, get advice. Lilly period tracker protects your most private data, the cycle calendar can be password locked, keeping your information hidden with pin lock. Lilly tracker features: - Notifications about next period, next ovulation, fertile days and when period is late - Pill reminder with pill, patch and ring protection - Yearly menstrual calendar with your menstrual cycle for every month of the year - PIN code protection with password lock - Basal body temperature tracker and graph that can calculate your ovulation - Protected or unprotected intercourse, sex tracking We want to hear from you! Please email comments and suggestions to [email protected]. Enjoy your Lily Period Tracker

Version history

5 versions are listed; the oldest rated Trusted is v8.2. Since v8.3 it requires Android 6.0+.

v8.5 LATEST Sep 10, 2026 12.2 MB TRUSTED v8.4 Sep 10, 2026 12.2 MB TRUSTED v8.3 Sep 19, 2026 12.3 MB TRUSTED v8.2 Sep 21, 2026 12 MB TRUSTED v999.0 Nov 20, 2025 5.1 MB UNKNOWN

All 5 versions

Period and Ovulation Tracker among popular Medical apps

Period and Ovulation Tracker is one of the 36 most downloaded apps in our Medical category.

Period and Ovulation Tracker and the Medical apps ranked next to it by downloads
App	Rating	Downloads	Download size
Anatomy Learning - 3D Anatomy Atlas	4.1 (15)	10M+	99.2 MB
Period Calendar, Cycle Tracker	4.7 (19)	10M+	15 MB
Period and Ovulation Tracker (this app)	–	10M+	12.2 MB
GoodRx Drug Prices and Coupons	–	10M+	–
열려라 병원 - 똑닥	–	5M+	–

Apps listed next to it in our Medical ranking by downloads. 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 10, 2026.
Certificate issued to “SMSROBOT LTD” This is the certificate of the Google Play version.
Same certificate as the 2 other versions checked

Store checks and file details

Developer signature not checked yet Sep 10, 2026
Validated against Google Play Sep 10, 2026
Signed byCN=Slobodan Ivkovic, OU=SMSROBOT LTD, O=SMSROBOT LTD, L=Dublin, ST=Ireland, C=IE
Signing certificate (SHA-1)D0:4C:E9:03:7D:9F:55:30:39:92:4E:E0:93:B6:68:4C:E5:27:CB:AC
File MD531b082e9c37538f0ed6c1d601dae06c8
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 (16)

Period and Ovulation Tracker requests 16 permissions, 1 of them sensitive.

Find accounts on the device Sensitive android.permission.GET_ACCOUNTS
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
Full network access android.permission.INTERNET
In-app purchases (Google Play Billing) com.android.vending.BILLING
Internal broadcast protection (app-defined) com.smsrobot.period.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Prevent the device from sleeping android.permission.WAKE_LOCK
Quickboot poweron android.permission.QUICKBOOT_POWERON
Receive push notifications com.google.android.c2dm.permission.RECEIVE
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
View network connections android.permission.ACCESS_NETWORK_STATE

Required hardware & features

Basic touch input android.hardware.faketouch

Period and Ovulation Tracker APK: questions and answers

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

The current version needs Android 6.0 or later. Version 8.2 is the newest listed build that installs on Android 5.0 and later. Get version 8.2 · 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 and Ovulation Tracker free?

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

Is the Period and Ovulation Tracker 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 31b082e9c37538f0ed6c1d601dae06c8.