Morse Code Trainer will show and play you random letters in morse core and you have to recognize them. If you're correct, the next morse code appears. If you make a mistake, just try again. It's a very simple but practical tool.
You can practice
or any combination of the above.
You can also select if you want to see or hear the morse codes, or both.
The concept of this app is to practice individual letters, not words or sentences.
This app is not for absolute beginners. It's for people who want to practice recognizing codes they have learnt before.
Vibrate on mistakes.