Semitone is a comprehensive music theory education and reference app designed to enhance your understanding of music through interactive challenges and a wealth of reference materials tailored for piano and guitar enthusiasts.

The app offers a variety of interactive challenges such as completing chord progressions, scales, and identifying notes, intervals, chords, and scales for both piano and guitar. This feature-packed tool aims to engage users in a fun and educational way to deepen their music theory knowledge.

Moreover, Semitone provides chord and scale reference charts for guitar and piano, making it easier to memorize chords by key, transpose songs, and learn songs by ear. With detailed chord and scale diagrams, users can easily grasp complex musical concepts and improve their skills effortlessly.