Do you want to learn music theory?

Sonid is a music theory app designed to help musicians learn intervals, scales, chords, and ear training through guided daily practice and interactive tools. It offers a step-by-step learning system that connects theory to real playing, enabling users to build practical musicianship with consistent short exercises. The app supports advanced concepts like chord substitutions and modal harmony while providing resources such as ear training playlists and a chord/scale library for multiple instruments. Sonid aims to make music theory accessible, helping users improve their musical choices and creativity through an engaging and structured approach.