Downloads
Master Morse code with the Koch method: speed control, practice, and analysis.
AppBrain's verdict
Niche- Installs
- 920
- Last updated
- September 9, 2026
- Ads
- No ads
- Size
- 23.3 MB
DS1UOV's Morse Trainer w/ Koch is a niche app, with 920 installs. It doesn't have enough ratings yet to judge what users think.
Summary
DS1UOV's Morse Trainer w/ Koch delivers a structured, measurable path to mastering Morse code using the Koch method. It emphasizes level-based progression, performance-tied milestones, and a focused input experience, empowering learners to build accuracy with real-time feedback without an AI opponent.
Pros & Cons
- Structured Koch method with incremental level unlocks
- Clear progress tracking and smart review to reinforce weak points
- Custom audio and session presets for tailored practice
- Focused input grid reduces errors and supports external keyboards
- No AI opponent or competitive mode to challenge progress
- New app with limited market exposure so far
User feedback
Ratings and reviews on Google PlayComments on DS1UOV's Morse Trainer w/ Koch for Android
Store listing
By CommonSource, from Google PlayDescription by CommonSource Written by the developer, not by AppBrain. Click to read.
Train Morse code reception in a structured way using the Koch method, designed for learners who want measurable progress and practical CW listening skills.
✅ KOCH METHOD, DONE RIGHT
Start with a small character set, build accuracy, then unlock the next character only when you are ready.
Your level system is tied to performance, so each step feels earned and stable rather than rushed.
🎯 SMART ADAPTIVE LEARNING
• Weakness-Targeted Practice: Tired of practicing characters you already know by heart? Toggle "Adaptive Weighting" on to automatically analyze your last 10 sessions. Characters with lower accuracy will appear up to 4x more frequently to sharpen your weak points.
• Tailored to Your Flow: This intelligent weighting applies to both Koch and custom character practice modes, focusing your efforts right where they are needed most.
📊 INSIGHTFUL STATISTICS DASHBOARD
Track your growth with a newly designed, visually intuitive statistics hub that respects your app’s clean design language:
• Quick Summary Tiles: Keep an eye on your current learning Streak (🔥), total completed sessions, accumulated training time, and your rolling 10-session average accuracy.
• Accuracy Trend Line Chart: Visualize your progress over your last 20 sessions with a clean, responsive line graph complete with interactive touch tooltips showing exact dates and scores.
• Character Accuracy Grid: A full heat-mapped grid displaying cumulative accuracy for every Koch and custom character. It includes clear percentage labels and highlights your top 3 "Critical Characters" needing immediate attention.
• Recent Session Logs: Scroll through your last 8 sessions featuring distinct mode icons, timestamps, and accuracy badges to review your historical performance at a glance.
🔥 STREAKS & DAILY REMINDERS
Consistency is key to mastering Morse code. Build a sustainable daily habit with zero background battery drain:
• Daily Learning Streak: Complete at least one session a day to keep your streak burning. The flame turns a vibrant orange when you've secured your goal for the day.
• Smart Reminders: Schedule a daily notification at your preferred time via an animated time-picker. Built using modern Android notification APIs, it gracefully handles system reboots to ensure you never miss your practice window.
⚙️ CUSTOM AUDIO & SESSION SETTINGS
Tune your practice to your ears and your goals: adjust training speed settings and pick a tone frequency that is comfortable for long sessions.
Use presets (beginner to expert) when you want a proven setup without manual tweaking.
Each session is built to keep your attention on what matters—recognition accuracy under realistic timing.
⌨️ FOCUSED INPUT EXPERIENCE
Practice with a dedicated on-screen character grid that only shows the characters available at your current level, reducing accidental inputs.
Pause and resume sessions cleanly, with visible timing/progress indicators so you always know where you are in the run.
Optional physical keyboard input support lets you train like real operating, especially on tablets or with external keyboards.
🧹 SAFE RESETS, WHEN YOU NEED THEM
Reset only Koch progress to restart learning from level 1 while keeping your app settings, or reset all settings back to defaults.
This makes it easy to re-train from scratch, test new configurations, or share the device with another learner.
Start today
Make steady, data-driven progress in Morse reception with a modern UI, adaptive training algorithms, and a methodical flow built around real learning principles.
Safety and technology
Found in the app by AppBrain- Ads
- No ads
- Price
- Free
- Libraries
- 15
- App size
- 23.3 MB
- Needs Android
- 7.0+
- Content rating
- Everyone
Technologies used by DS1UOV's Morse Trainer w/ Koch
Releases
Updates seen on Google Play- Version
- 1.0.17
- Launched
- January 2026
- Sep 9, 2026UpdateVersion 1.0.17
- Aug 13, 2026CategoryMoved from Tools to Communication
- Jul 6, 2026UpdateVersion 1.0.16
- May 11, 2026UpdateVersion 1.0.15
- Apr 17, 2026Installs500+ installs
Alternatives
Similar apps and more from CommonSourceAlternatives to DS1UOV's Morse Trainer w/ Koch
More from CommonSource
Also available on the App Store
Installs
Tracked by AppBrain- Last 30 days
- 73
- Play install range
- 500+
- Launched
- January 2026
Installs over time
DS1UOV's Morse Trainer w/ Koch has been installed 920 times. Over the past 30 days, it has been installed 73 times.
Rankings
Google Play top chartsGoogle Play Rankings for DS1UOV's Morse Trainer w/ Koch
About the app and developer
About DS1UOV's Morse Trainer w/ Koch
DS1UOV's Morse Trainer w/ Koch is a communication app developed by CommonSource.
Install Statistics
DS1UOV's Morse Trainer w/ Koch has been downloaded 920 times. In the last 30 days, the app was downloaded 73 times.
User Ratings
The app has no ratings yet.
App Information
DS1UOV's Morse Trainer w/ Koch is freely available from Google Play. The APK size is 23.29 MB. The latest APK version available is 1.0.17. The last update was on September 9, 2026.
Technical Requirements
DS1UOV's Morse Trainer w/ Koch requires Android 7.0+ or higher. The app has a content rating of Everyone. The app has been available on Google Play since January 2026.
DS1UOV's Morse Trainer w/ Koch is made and published by CommonSource. AppBrain is an independent app data site and isn't affiliated with CommonSource. The app name, icon, screenshots and description belong to CommonSource and are shown as published on Google Play.
App Performance Report
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