Chet is an app for musicians to train their ear. It challenges you to correctly play the various musical intervals, scales, chords, melodies, and musical sequences. There is also a game with music from famous compositions to test your musical knowledge.

The aim is to help the musician to develop their musical ear. You are given a limited amount of time to complete the various challenges. It is a fun way to learn to play music.

Each game has a unique set of challenges to test your ear and train your skills. Each game has various levels of difficulty, so you can choose the one that fits your abilities.