# Tactile Clock

> Double click the power button of your device to vibrate the current time

Canonical page: [https://chrome-stats.com/d/de.eric\_scheibler.tactileclock](https://chrome-stats.com/d/de.eric_scheibler.tactileclock)

## Overview

- **ID:** `de.eric_scheibler.tactileclock`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Eric Scheibler
- **Category:** TOOLS
- **Downloads:** 186
- **Version:** 2.6.2
- **Last updated:** 2026-06-23
- **First published:** 2016-05-03
- **Publisher country:** DE
- **Size:** 5.98 MB
- **Data as of:** 2026-09-09
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=de.eric_scheibler.tactileclock)
- **Website:** [https://github.com/scheibler/TactileClock](https://github.com/scheibler/TactileClock)
- **Privacy policy:** [https://www.eric-scheibler.de/en/tactile\_clock\_privacy/](https://www.eric-scheibler.de/en/tactile_clock_privacy/)

## Description

This Android app vibrates the current time when the display is locked and you double-click the power button of your device.<br><br><br><br>How it works<br><br>Double-click the power button.  This might take some practice to work reliably. Press slowly and deliberately. If you<br>double-click too fast the system only recognizes a single click and turns the screen on instead.<br><br>The time vibration is structured as follows:<br><br>A short vibration stands for the digit 1 and a long one for the digit 5. The 2<br>is represented by two consecutive short vibrations, the 6 by a long and a short one and so on. The 0 constitutes an exception with two long vibrations.<br><br><br>Examples:<br><br>* 01:18 =  .    .  -...<br>* 02:51 =  ..    -  .<br>* 10:11 =  .  --    .  .<br>* 19:06 =  .  -....    -.<br><br><br>Explanation:<br><br>The time is processed digit by digit:<br><br>* . = short vibration<br>* - = long vibration<br><br>Leading zeros in the hour and minute fields are omitted.<br><br><br>Gaps:<br><br>To simplify the recognition of the vibration pattern, there exist three kind of gaps with different durations:<br><br>* []: A short gap between vibrations in the same digit<br>* [  ]: A medium gap for the separation of two digits within the hour and minute field<br>* [    ]: A long gap to split hours and minutes<br><br><br><br>Additional features<br><br>* Keep informed about the current time. The app can vibrate the current time automatically every X minutes or every hour.<br>* Play the Greenwich Time Signal at the start of each hour, similar to a radio station.<br><br>* Tasker integration: If your smartphone has an additional hardware button that is supported by Tasker, you can configure it to vibrate the time. You can find<br>the corresponding action in Tasker under the &quot;Plugin&quot; category.<br>* Decide what to do if you double-click when the display is on. You can choose between a warning vibration and having<br>  the time vibrated as well.<br>* The app starts automatically after the system reboots.

## Rankings

- #1,732,786 — Overall

## Permissions and access

### Permissions

- `android.permission.FOREGROUND_SERVICE`
- `android.permission.FOREGROUND_SERVICE_SPECIAL_USE`
- `android.permission.POST_NOTIFICATIONS`
- `android.permission.RECEIVE_BOOT_COMPLETED`
- `android.permission.USE_EXACT_ALARM`
- `android.permission.VIBRATE`
- `de.eric_scheibler.tactileclock.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

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Source: [Chrome-Stats](https://chrome-stats.com/d/de.eric_scheibler.tactileclock)