Tone Chroma is an interactive microtonal matrix for iOS, crafted for 21st century musicians. Both musical instrument and visualizer, Tone Chroma's interface breaks through the black-and-white mould of equal temperament and expands harmonic potential into a new universe of color. Features: - Play in real time on the color-coded microtonal tuning matrix with pure harmonic ratios - Seven visualizers — Lissajous curves, concurrent and countercurrent harmonograph, harmonic series, chromatic ring, tonal lattice, cymatics — each rendering sound as living color and form - Explore microtonal scales, ragas, and modal systems beyond 12-tone equal temperament with presets - MIDI input/output for use with external controllers and DAWs - Real-time microtonal note, frequency and interval information - Customizable tuning and chord banks Enter new harmonic horizons with Tone Chroma by exploring pure frequency relationships and synesthetic displays which allow you to hear and see universal vibrational patterns.