J42 Morse Code Trainer
J42 Morse Code Trainer is made and published by Java42 Mobile. AppBrain is an independent app data site and isn't affiliated with Java42 Mobile. The app name, icon, screenshots and description belong to Java42 Mobile and are shown as published on Google Play.
AppBrain's verdict
Removed- Rating on Google Play
- 3.44
- 29 ratings
- Installs
- 4 thousand
- Last updated
- January 21, 2023
- Ads
- Contains ads
- Size
- 9.27 MB
J42 Morse Code Trainer is no longer on Google Play. It was there for 6 years, until September 2026. It was a niche app, with 4 thousand installs. It had too few ratings to say what users thought.
User feedback
Ratings and reviews on Google PlayComments on J42 Morse Code Trainer for Android
Google Play Rating history and histogram
The year before it was removed from Google Play, up to September 2026
Store listing
By Java42 Mobile, from Google PlaySimilar apps
“App for novice or experienced ham radio operators interested in Morse code.”
Description by Java42 Mobile Written by the developer, not by AppBrain. Click to read.
Designed to make it easy to recognize Morse code characters at various speeds.
Improve existing CW skills for those who already know the code.
Code oscillator outputs tones from 5 to 39 words per minute.
Tone frequency is adjustable from 500 Hz to 2.9 kHz.
Choose from Over 100 programmed character sequences.
Optional alphanumeric cues.
Optional voice cues.
Loop mode plays the selected character sequence continuously.
Optionally disable the tone generator for visual training.
Use the in-app feedback option to leave comments and suggestions or to request enhancements.
Recent changes:
122 (v122.23.01.21-L) Maintenance update. New tone generator. Increased max WPM.
Use the in-app feedback option to leave comments and suggestions.
Safety and technology
Found in the app by AppBrain- Ads
- Contains ads
- Price
- Free
- Libraries
- 15
- App size
- 9.27 MB
- Needs Android
- 4.4+
- Content rating
- Everyone
Technologies used by J42 Morse Code Trainer
Releases
Updates seen on Google Play- Version
- v122.23.01.21-L
- Launched
- April 2020
Installs
Tracked by AppBrain- Play install range
- 1+ thousand
- Launched
- April 2020
Installs over time
The year before it was removed from Google Play, up to September 2026
J42 Morse Code Trainer was installed 4 thousand times before it was removed.
About the app and developer
About J42 Morse Code Trainer
J42 Morse Code Trainer was an education app developed by Java42 Mobile. It was removed from Google Play Sep 11, 2026.
Install Statistics
J42 Morse Code Trainer had been downloaded 4 thousand times before it became unavailable.
User Ratings
J42 Morse Code Trainer was rated 3.44 out of 5 stars, based on 29 ratings.
App Information
J42 Morse Code Trainer was free. The APK size was 9.27 MB. The last available APK version was v122.23.01.21-L. The last update was on January 21, 2023.
Technical Requirements
J42 Morse Code Trainer required Android 4.4+ or higher. The app had a content rating of Everyone. The app had been available on Google Play since April 2020.
App Performance Report
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