1.0.0.2 Safe to install
Morse Machine — Effective Koch-method practice hampered by bugs and lag
Morse Machine offers a focused, adaptive Koch-method trainer for learning to receive Morse code with useful progress tracking and session controls, but multiple user reports of freezing, audio lag and occasional playback glitches make it feel unreliable on modern devices.
This application provides a systematic approach to learning Morse code by focusing on auditory reception skills. It begins with a foundational set of two letters and incrementally introduces additional characters as the user demonstrates readiness, promoting efficient skill acquisition.
The design prioritizes personalized practice, avoiding the redundancy of reviewing already mastered material or becoming overwhelmed by unfamiliar content. Its methodology is rooted in the principles established by Ward K9OX (http://c2.com/morse/), utilizing primarily the Koch algorithm with originating sequences starting from the first two letters: K and M. Users also have the option to select alternative learning methods and access specialized training for the top 40 words commonly used in CW QSO.
Visual feedback is incorporated through a circular chart surrounding each letter, indicating the current error score—initially at 100%, diminishing as correct responses are achieved, and increasing with mistakes or delays in recognition.
Training begins with a simple tap of the PLAY button located at the top right of the interface. The app then plays Morse tones, and users respond by selecting the corresponding letter or word. Incorrect responses trigger an error tone, while correct ones prompt continuation with subsequent characters. As proficiency improves, additional letters are gradually introduced based on the selected method.
Users can pause or stop practice sessions at will via dedicated buttons. Additionally, a SESSION TIME setting allows for automatic session termination after a user-defined duration.
Outside of active training, the app enables users to listen to individual tones by selecting specific keys or words, fostering familiarization outside structured lessons.
Settings are accessible through the hamburger menu icon located at the top left corner, allowing customization of various parameters. The interface also features a "Best Scores" section to monitor top achievements.
The application supports both landscape and portrait orientations, ensuring flexible usability across devices.
Overall, this tool offers a focused and adaptable environment for developing proficiency in Morse code reception.
Overview
Morse Machine is a Freeware software in the category Home & Hobby developed by Tech-Pro.net.
The users of our client application UpdateStar have checked Morse Machine for updates 31 times during the last month.
The latest version of Morse Machine is 1.0.0.2, released on 02/18/2008. It was initially added to our database on 11/05/2007.
Morse Machine runs on the following operating systems: iOS.
Morse Machine has not been rated by our users yet.
Pros
- Uses the Koch method and adaptive progression so new characters are added only when you’re ready (efficient learning).
- Focuses on receive/practice training with immediate feedback (error sound) which helps recognition skills.
- Includes training for the top 40 words used in CW QSOs (practical vocabulary).
- Visual progress indicators (circle charts around each letter show error score) help track strengths/weaknesses.
- Simple controls: play/pause/stop, session timer, and direct tapping of keys/words to hear tones outside sessions.
- Works in both portrait and landscape (flexible use).
- Low price point (listed at $0.99 on the App Store), making it accessible for beginners.
- Shows best scores and has configurable session time and speed settings (some customization).
Cons
- Multiple user reports of bugs: freezing, audio stopping, long pauses followed by bursts of characters (lag/delivery problems) which negatively affect training reliability.
- Some users report overlapping/duplicate sounds or delayed playback which harms learning at speed.
- Privacy information not provided in the App Store listing; developer has not declared privacy practices for recent App Store requirements.
- App appears to be maintained by a small/individual developer — updates/bug fixes may be infrequent (some reviews reference persistent bugs).
- Limited platform availability (App Store listing only; unclear desktop builds or cross-platform support).
- Feature set is focused on receive-training only; may lack advanced customization (e.g., precise Farnsworth timing, customized character sets, CSV import/export of scores) expected by advanced learners.
- App Store listing requires relatively old iOS baseline (iOS 8.0 or later) which may indicate the app hasn’t been modernized recently; version/update recency not clearly documented in listing.
FAQ
What is Morse Machine by Tech-Pro.net?
Morse Machine is an app for learning to receive (read) Morse code using adaptive training methods (Koch and others). It plays tones and quizzes you so you progressively learn characters and common words.
Which platforms is Morse Machine available on and how much does it cost?
The app is available on iOS (iPhone, iPad) via the App Store. The App Store listing shows a price of $0.99. (Check the current store page for regional pricing and availability.)
How does the training work?
The app uses an adaptive approach that starts with a small set of characters (default: Koch method, starting with K and M) and automatically adds new characters when you demonstrate proficiency. It also includes a training program for the top 40 words used in CW QSOs.
What controls and settings are available during practice?
During a session you can PLAY, PAUSE, and STOP. There is a SESSION TIME option to auto‑stop after a set duration. You can change training methods (Koch and others), speed (WPM), and tap any key/word outside of a session to hear its tone.
How does the app show progress and errors?
Around each letter the app displays a circular chart (error score). It starts full (100%) and decreases as you correctly identify characters, increasing when you make mistakes or take too long. You can also view your top 10 scores in the Best Scores section.
Which learning methods does Morse Machine support?
The app uses the Koch method by default, but it provides alternative methods and sequences so you can choose the one that suits you best.
Are there any known bugs or performance issues?
Some users have reported occasional freezing, audio lag, long pauses followed by bursts of characters, or overlapping tones. These reports suggest sporadic performance issues on some devices; updating the app and iOS may help, and check the developer support page for known fixes.
Who developed the app and where can I get support or privacy info?
The seller listed in the App Store is Andrea Salvatore (developer site alphapapacharlie.com). The App Store links to a privacy policy at kx3companion.com/privacy-policy and to the developer website for support.
Can I use the app in both portrait and landscape?
Yes — the app supports both portrait and landscape orientations.
What should I do if audio stops or the app becomes unresponsive?
Try pausing and restarting the session, closing and relaunching the app, or rebooting your device. Ensure the app and your OS are up to date. If problems persist, contact the developer via the support link on the App Store or the developer website with device model, OS version, and a description of the issue.
David Fischer
I am a technology writer for UpdateStar, covering software, security, and privacy as well as research and innovation in information security. I worked as an editor for German computer magazines for more than a decade before joining the UpdateStar team. With over a decade of editorial experience in the tech industry, I bring a wealth of knowledge and expertise to my current role at UpdateStar. At UpdateStar, I focus on the critical areas of software, security, and privacy, ensuring our readers stay informed about the latest developments and best practices.
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