# Morse Code: Practice & Key

> Practice with a real key. Text-Morse conversion, sound/vibration/light, and Japa

Canonical page: [https://chrome-stats.com/d/com.mochilab.utility.morse\_code](https://chrome-stats.com/d/com.mochilab.utility.morse_code)

## Overview

- **ID:** `com.mochilab.utility.morse_code`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Mochi Lab
- **Category:** TOOLS
- **Downloads:** 32
- **Version:** 1.0.0
- **Last updated:** 2026-06-12
- **First published:** 2026-06-12
- **Publisher country:** JP
- **Size:** 25 MB
- **Data as of:** 2026-09-13
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.mochilab.utility.morse_code)
- **Website:** [https://mochilab.jp](https://mochilab.jp/)
- **Privacy policy:** [https://mochilab.jp/privacy-policy/](https://mochilab.jp/privacy-policy/)

## Description

A full-featured Morse app for practice, conversion, and transmission.<br><br>◆ Keyer Pads (Key Mode)<br>・Short press = dit (.), long press = dah (-) for authentic keying<br>・Auto-detects timing to decode characters and words in real-time<br>・Adjustable speed from 5 to 30 WPM<br><br>◆ Text ⇄ Morse Conversion<br>・Instantly converts typed text to Morse code<br>・Decodes Morse back to text<br>・One-tap copy for results<br><br>◆ Sound, Vibration &amp; Flashlight<br>・Plays 700Hz sine wave tones (CW sound)<br>・Transmit via vibration or LED flash<br>・Toggle sound, vibration, and light independently<br><br>◆ Japanese Morse Support<br>・Includes international code (A-Z, numbers, symbols) plus Japanese Kana<br>・Supports dakuten, handakuten, and long vowels<br><br>◆ Code Reference<br>・Built-in chart for letters, numbers, symbols, and Kana<br>・Tap any symbol to hear its rhythm for memorization<br><br>Perfect for amateur radio CW practice, SOS learning, puzzles, and cryptography. Fully offline with no internet connection required.

## Rankings

- #2,421,458 — 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.FOREGROUND_SERVICE`
- `android.permission.INTERNET`
- `android.permission.POST_NOTIFICATIONS`
- `android.permission.VIBRATE`
- `android.permission.WAKE_LOCK`
- `com.android.vending.BILLING`
- `com.google.android.gms.permission.AD_ID`
- `com.mochilab.utility.morse_code.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

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Source: [Chrome-Stats](https://chrome-stats.com/d/com.mochilab.utility.morse_code)