# シンプルな勉強時間記録アプリ

> Record and manage your study time by task. Visualize your learning with a calendar view and statistics dashboard. A simple and easy-to-use free app.

Canonical page: [https://chrome-stats.com/d/com.to.studytimetracker](https://chrome-stats.com/d/com.to.studytimetracker)

## Overview

- **ID:** `com.to.studytimetracker`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** T.O.
- **Category:** PRODUCTIVITY
- **Downloads:** 764
- **Last updated:** 2026-03-04
- **First published:** 2026-03-04
- **Publisher country:** JP
- **Data as of:** 2026-09-22
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.to.studytimetracker)
- **Website:** [https://aruma-taiga.github.io/study-time-tracker-page/](https://aruma-taiga.github.io/study-time-tracker-page/)
- **Privacy policy:** [https://doc-hosting.flycricket.io/shinpurunamian-qiang-shi-jian-ji-lu-apuri-privacy-policy/15f6a7e6-0be0-452f-a994-68946dfe1dfb/privacy](https://doc-hosting.flycricket.io/shinpurunamian-qiang-shi-jian-ji-lu-apuri-privacy-policy/15f6a7e6-0be0-452f-a994-68946dfe1dfb/privacy)

## Description

[Simple Study Time Tracking App]<br><br>This free app lets you easily track and manage your study time. Record study time by task and visually check it on a calendar or dashboard.<br><br>[Key Features]<br><br>✅ Time Tracking<br>・Easily record study time for each task<br>・Enter time manually<br>・Measure time in real time with the stopwatch<br>・Quick entry buttons (15, 30, 45, 60, 90, 120 minutes) for quick recording<br><br>✅ Calendar View<br>・Visually check study time by date on the calendar<br>・Select a date from the calendar to view past records<br>・Color-code study time for a quick overview<br>・Highlight the current date<br><br>✅ Dashboard<br>・Display statistics by period (weekly, monthly, yearly, overall)<br>・Visualize the composition of study time by task with a pie chart<br>・Check the percentage of total study time spent on each task<br>・Switch between periods for flexible analysis<br><br>✅ Task Management<br>・Create and manage multiple tasks (e.g., subjects)<br>・Set colors for each task to visually distinguish them<br>・Check the recording history for each task<br>・Delete unnecessary tasks and recordings<br><br>✅ Data Management<br>- All data is stored locally on the device (protecting privacy)<br>- Data is never sent to external servers<br>- Data is retained until the app is deleted.<br><br>[How to Use]<br><br>1. Create a Task<br>Create a task using the &quot;Add New Task&quot; button. You can set the task name (e.g., Math, English) and color.<br><br>2. Record Study Time<br>Tap the task card to enter the time or start timing with the stopwatch icon. Use the quick entry button to quickly record frequently used time.<br><br>3. Review Records<br>You can view records by date on the Calendar tab and view statistics on the Dashboard tab. The pie chart visually shows the proportion of study time spent on each task.<br><br>[Privacy]<br><br>- All data is stored locally on the device.<br>- No data is sent to external servers.<br>- The privacy policy can be viewed from the information icon in the app.<br><br>[Other Features]<br><br>- Dark mode support<br>- Simple and easy-to-use UI<br>- Ads are displayed (due to the free app).<br>- Lightweight and smooth operation.<br><br>[Recommended for]<br><br>- Students who want to track their study time<br>- Those who want to visualize their learning progress<br>- Those who want to manage multiple subjects<br>- Those who prefer a simple app<br>- Those who value privacy.<br><br>[Upcoming Updates]<br><br>- Data export function<br>- Time goal setting function<br>- Notification function<br>- Other improvements<br><br>If you have any comments or requests, please leave a review of the app. We look forward to your feedback!

## Rankings

- #1,250,756 — Overall

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