SoundBow is a drawing-based music instrument app designed for iPhone users. With a clean and simple visual interface, users can create music by drawing curves on the screen using lines and gestures. Additionally, the app allows users to rescale their instrument by moving graphical elements around. The unique feature of recording sounds through the microphone enables users to create personalized melodies and soundscapes using their own voice.

The app stands out for its interactive and gesture-based music production capabilities, offering a minimal visual interface for creating complex, loop-based music compositions. Users can also export their creations as audio files for sharing or further editing.