# 時間マスター

> A time perception game where you try to measure 10 seconds, 30 seconds, 1 minute, and 5 minutes by feel without looking at a clock.

Canonical page: [https://chrome-stats.com/d/com.ymrlab.timemaster](https://chrome-stats.com/d/com.ymrlab.timemaster)

## Overview

- **ID:** `com.ymrlab.timemaster`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** EASYMODE
- **Category:** GAME\_CASUAL
- **Downloads:** 2
- **Last updated:** 2026-07-14
- **First published:** 2026-07-14
- **Publisher country:** JP
- **Data as of:** 2026-09-15
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.ymrlab.timemaster)
- **Website:** [https://www.ymrlab.com/](https://www.ymrlab.com/)
- **Privacy policy:** [https://www.ymrlab.com/ja/privacy/time-master](https://www.ymrlab.com/ja/privacy/time-master)

## Description

&quot;Time Master&quot; is a simple time perception game where you measure target time using only your own sense of time, without looking at a clock.<br><br>How to play:<br><br>1. Select a target time from 10 seconds, 30 seconds, 1 minute, or 5 minutes.<br><br>2. Press &quot;Start&quot; for a 3-second countdown.<br><br>3. Experience the time without looking at a clock.<br><br>4. Press &quot;End&quot; when you think you&#39;ve reached the target time.<br><br>After measurement, you can check the actual time, the difference from the target time, the accuracy rate, and your evaluation.<br><br>[Main Features]<br><br>• 10-second, 30-second, 1-minute, and 5-minute perceived time challenges<br><br>• 3-second countdown before starting<br><br>• Completely hides elapsed time and remaining time during measurement<br><br>• Displays actual time to 4 decimal places<br><br>• Clearly displays times that were ahead or behind<br><br>• Displays accuracy rate and evaluation<br><br>• Saves personal bests for each target time on your device<br><br>• Changing measurement messages each time<br><br>• No user registration or login required<br><br>• Simple, large, and easy-to-use interface<br><br>Enjoy challenges ranging from short 10-second challenges to 5-minute challenges that require concentration.<br><br><br>How accurate is your internal clock?<br><br>Let&#39;s challenge ourselves to become time masters!

## Rankings

- #3,053,230 — Overall

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