# Period Tracker

> Private period & ovulation tracker. Encrypted, offline-only. Data is yours.

Canonical page: [https://chrome-stats.com/d/com.periodtracker.cyclecalendar](https://chrome-stats.com/d/com.periodtracker.cyclecalendar)

## Overview

- **ID:** `com.periodtracker.cyclecalendar`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Parse Studio
- **Category:** TOOLS
- **Downloads:** 207
- **Version:** 1.1.5
- **Last updated:** 2026-08-19
- **First published:** 2026-04-05
- **Publisher country:** TH
- **Size:** 13 MB
- **Data as of:** 2026-09-22
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.periodtracker.cyclecalendar)
- **Website:** [https://parsestudio9.com/](https://parsestudio9.com/)
- **Privacy policy:** [https://parsestudio9.com/privacy-periodtracker.html](https://parsestudio9.com/privacy-periodtracker.html)

## Description

<b>Period Tracker</b> is a period and ovulation tracker designed with privacy at its core. All data is stored locally on your device and protected with AES-256 encryption.<br><br><b>CYCLE TRACKING</b><br>• Log periods with one tap and get predictions that improve over time<br>• Track ovulation and fertile windows based on published medical research (Wilcox et al.)<br>• View your cycle on a calendar with color-coded phases<br>• Record 70+ symptoms across 9 categories including pain, mood, body, and sleep<br><br><b>PREGNANCY MODE</b><br>• Switch to pregnancy tracking with week-by-week milestones<br>• See your due date, trimester progress, and baby size comparisons<br>• Log pregnancy-specific symptoms like morning sickness and baby kicks<br><br><b>HEALTH INSIGHTS (Pro)</b><br>• Cycle length and period length trend charts<br>• Basal body temperature (BBT) tracking and graphing<br>• Weight tracking with trend visualization<br>• Export your data as CSV or PDF health report<br><br><b>PRIVACY BY DESIGN</b><br>• All data encrypted with AES-256 via Android KeyStore<br>• Completely offline — no servers, no accounts, no data collection<br>• PIN and biometric lock to protect the app<br>• Decoy mode: enter a different PIN to show a calculator instead of your data<br>• Screenshot protection enabled by default<br>• Delete all data instantly with one tap<br><br><b>FEATURES</b><br>• 25 languages supported<br>• 6 theme colors to choose from<br>• Dark mode<br>• Home screen widget showing your cycle day<br>• Customizable notification text for discreet reminders<br>• Period, ovulation, and medication reminders<br><br><b>IMPORTANT</b><br>This app is a tracking and estimation tool. It is not a medical device. Do not use it as your sole method of contraception. Consult a healthcare provider for medical decisions.

## Rankings

- #1,715,276 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.INTERNET`
- `android.permission.POST_NOTIFICATIONS`
- `android.permission.RECEIVE_BOOT_COMPLETED`
- `android.permission.RECORD_AUDIO`
- `android.permission.USE_BIOMETRIC`
- `android.permission.USE_FINGERPRINT`
- `android.permission.WAKE_LOCK`
- `com.android.vending.BILLING`
- `com.android.vending.CHECK_LICENSE`
- `com.google.android.apps.aicore.service.BIND_SERVICE`
- `com.periodtracker.cyclecalendar.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

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Source: [Chrome-Stats](https://chrome-stats.com/d/com.periodtracker.cyclecalendar)