# Morse Code Trainer - Learn CW

> Learn Morse code by ear with the Koch method, copy drills, tap keyer and QSOs.

Canonical page: [https://chrome-stats.com/d/com.morsecode.trainercw](https://chrome-stats.com/d/com.morsecode.trainercw)

## Overview

- **ID:** `com.morsecode.trainercw`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Halim Box Dev
- **Category:** EDUCATION
- **Downloads:** 4
- **Version:** 1.0.1
- **Last updated:** 2026-10-20
- **First published:** 2026-10-19
- **Publisher country:** ID
- **Size:** 29 MB
- **Data as of:** 2026-11-12
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.morsecode.trainercw)
- **Website:** [https://halimboxdev.blogspot.com](https://halimboxdev.blogspot.com/)
- **Privacy policy:** [https://halimboxdev.blogspot.com/p/privacy-policy-for-halim-box-dev.html?m=1](https://halimboxdev.blogspot.com/p/privacy-policy-for-halim-box-dev.html?m=1)

## Description

Learn Morse code (CW) the way experienced operators recommend: by sound, at real speed, one new character at a time.<br><br>KOCH METHOD, 40 LESSONS<br>Start with two characters sent at full character speed, and add a new one each time you copy at 90% accuracy. Farnsworth spacing gives you extra thinking time between characters while the characters themselves keep their real rhythm.<br><br>COPY PRACTICE<br>• Instant character recognition drills<br>• Letters, words and groups<br>• Headcopy: listen without writing, then check yourself<br>• Callsign practice<br>• A heat map shows which characters you still miss<br><br>TAP KEYER<br>Send Morse with a straight key or iambic A/B paddles on your screen and see your timing and decoded text in real time.<br><br>QSO SIMULATOR<br>Practise realistic on-air contacts: a general CQ ragchew, a contest exchange and a Parks On The Air activation, with RST reports, callsigns and common abbreviations.<br><br>TRANSLATOR AND CHART<br>• Turn text into Morse sound and Morse into text<br>• Full chart of letters, numbers and punctuation with audio<br><br>YOUR SETTINGS<br>• Character speed and Farnsworth speed from 5 to 40 WPM<br>• Tone frequency of your choice<br><br>BUILD A DAILY HABIT<br>• Short daily goal<br>• Streaks with streak freezes<br>• Optional reminder at the time you choose<br><br>For new and licensed amateur radio operators, scouts, preppers and anyone curious about Morse code. Works fully offline.<br><br>Free with ads. A one-time Pro purchase removes ads. No subscription.

## Rankings

- #3,073,623 — 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.RECEIVE_BOOT_COMPLETED`
- `android.permission.VIBRATE`
- `android.permission.WAKE_LOCK`
- `com.android.vending.BILLING`
- `com.android.vending.CHECK_LICENSE`
- `com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE`
- `com.google.android.gms.permission.AD_ID`
- `com.morsecode.trainercw.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

## Similar extensions and apps

- [Another Morse Trainer](https://chrome-stats.com/d/app.anothermorsetrainer) — 43 users
- [Morse Trainer – learn CW](https://chrome-stats.com/d/de.jenssdroid.morse) — 38 users
- [Morse Trainer](https://chrome-stats.com/d/s51mo.morsetrainer) — 111 users
- [KeyerLab: Learn Morse Code](https://chrome-stats.com/d/com.anlayan.keyerlab) — 2 users
- [CW Trainer: Learn Morse Code](https://chrome-stats.com/d/it.md2tech.cw_trainer) — 118 users
- [Morse Code Trainer: Koch & CW](https://chrome-stats.com/d/com.nskn.morse_trainer) — 26 users
- [Sidetone: Morse Code Trainer](https://chrome-stats.com/d/com.tengallonapps.sidetone)
- [Morse Code Trainer](https://chrome-stats.com/d/com.babyloos.morsetrainer) — 123 users
- [MorseLab: Learn Morse Code](https://chrome-stats.com/d/com.ajtech.morselab) — 23 users
- [Morse Hub Complete](https://chrome-stats.com/d/com.k6yed.morsehubcomplete) — 15 users
- [Fluent CW: Learn Morse Code](https://chrome-stats.com/d/com.deepseadevelopers.morse) — 6 users
- [N5SLN Morse Trainer — Learn CW](https://chrome-stats.com/d/com.fanstaf.morsetrainer) — 4,541 users

---

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