# Period Tracker: Cycle Calendar > Track your period, menstrual cycle, ovulation and fertile days easily. Canonical page: [https://chrome-stats.com/d/com.npstudio.period.tracker](https://chrome-stats.com/d/com.npstudio.period.tracker) ## Overview - **ID:** `com.npstudio.period.tracker` - **Platform:** Android - **Type:** Android app - **Status:** Available - **Publisher:** NP.Studio - **Category:** HEALTH\_AND\_FITNESS - **Downloads:** 129 - **Version:** 1.5 - **Last updated:** 2026-09-05 - **First published:** 2026-08-13 - **Publisher country:** VN - **Size:** 66 MB - **Data as of:** 2026-09-25 - **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.npstudio.period.tracker) - **Website:** [https://phamnhat01.github.io](https://phamnhat01.github.io/) - **Privacy policy:** [https://sites.google.com/view/npstudio-privacy-policy](https://sites.google.com/view/npstudio-privacy-policy) ## Description Period Tracker: Cycle Calendar is a simple and easy-to-use period tracker designed to help you understand your menstrual cycle and keep track of important dates.

Whether you want to track your period, estimate your next cycle, follow ovulation and fertile days, or record daily symptoms, Period Tracker gives you the tools you need in one convenient app.

🌸 PERIOD & CYCLE TRACKER

Keep track of your menstrual cycle with an easy-to-use period calendar. Log your period dates and view your cycle history anytime.

• Track period start and end dates
• Estimate your next period
• View your menstrual cycle on a calendar
• Keep track of previous cycles
• Follow cycle dates in one place

💗 OVULATION & FERTILE DAYS

Get estimated ovulation and fertile-day information based on your cycle data.

• Estimate your ovulation date
• View your fertile window
• See estimated fertile and low-fertility days
• Follow cycle phases on the calendar
• Understand where you are in your menstrual cycle

📝 TRACK YOUR SYMPTOMS

Record how you feel throughout your cycle and keep your daily information organized.

Track symptoms and changes such as:

• Mood
• Cramps
• Headaches
• Energy levels
• Sleep
• Discomfort
• Other personal symptoms

📅 SIMPLE PERIOD CALENDAR

See your period and cycle information in a clear calendar view. Different cycle days are easy to identify, helping you quickly check upcoming estimated period, fertile, and ovulation dates.

📚 PERIOD & WOMEN'S HEALTH ARTICLES

Explore helpful articles about periods, menstrual cycles, ovulation, fertility, symptoms, and women's health. Learn more about your body and the changes that may occur throughout your cycle.

✨ WHY USE PERIOD TRACKER?

• Simple and easy to use
• Clean period calendar
• Period and menstrual cycle tracking
• Ovulation estimation
• Fertile window estimation
• Symptom tracking
• Cycle history
• Helpful articles and information
• Designed for everyday cycle tracking

🌷 UNDERSTAND YOUR CYCLE

Every menstrual cycle can be different. By regularly recording your period dates and symptoms, Period Tracker helps you keep your cycle information organized and makes it easier to observe changes over time.

Start tracking your period and menstrual cycle today with Period Tracker: Cycle Calendar.

IMPORTANT

Period, ovulation, fertile-window, and other cycle predictions provided by the app are estimates based on the information you enter and may not always be accurate. This app is intended for informational and tracking purposes only and is not a medical device. It should not be used for diagnosis, treatment, or as a method of contraception. For medical advice or concerns about your menstrual cycle, fertility, or health, consult a qualified healthcare professional. ## Rankings - #1,908,371 — Overall ## Permissions and access ### Permissions - `android.permission.ACCESS_ADSERVICES_AD_ID` - `android.permission.ACCESS_ADSERVICES_ATTRIBUTION` - `android.permission.ACCESS_ADSERVICES_TOPICS` - `android.permission.ACCESS_NETWORK_STATE` - `android.permission.ACCESS_WIFI_STATE` - `android.permission.FOREGROUND_SERVICE` - `android.permission.INTERNET` - `android.permission.WAKE_LOCK` - `com.google.android.gms.permission.AD_ID` - `com.npstudio.period.tracker.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION` ## Similar extensions and apps - [Period Tracker & Ovulation](https://chrome-stats.com/d/com.periodcalendartracker.app) — 124 users - [Period Tracker: Ovulation](https://chrome-stats.com/d/periodtracker.periodcalendar.ovulationtracker.menstrualcalendar) — 242 users - [Period Tracker: Cycle Calendar](https://chrome-stats.com/d/com.periodtracker.ovulation.periodcycle.bb) — 46,524 users - [Period Tracker: Cycle Calendar](https://chrome-stats.com/d/com.periodtracker.ovulation.calendar) — 3,258 users - [Period Tracker: Cycle Calendar](https://chrome-stats.com/d/ru.xpcom.periodtracker) — 9 users - [Period Tracker Menstrual Cycle](https://chrome-stats.com/d/com.periodtracker.menstrualcycle) — 453 users - [Period Calendar & Tracker](https://chrome-stats.com/d/com.periodcalendarapp) — 3 users - [Period Tracker Period Calendar](https://chrome-stats.com/d/com.periodcalendar.periodtracker.pregnancy.ovulationtracker.womancalendar.period.ovulationcalendar) — 24,442 users, 4.67 / 5 - [Period Tracker: Ovulation days](https://chrome-stats.com/d/com.gwynplay.periodtracker) — 520 users - [Period Tracker - My Cycle](https://chrome-stats.com/d/alee.periodcalendar.mycycle) — 206 users - [Period Tracker](https://chrome-stats.com/d/com.tracker.ovulation.periodtracker) — 14,042 users - [Period Tracker](https://chrome-stats.com/d/com.fivestep.periodtraker) — 10 users --- Source: [Chrome-Stats](https://chrome-stats.com/d/com.npstudio.period.tracker)