Tonality Visualizer vs ChordOrbit

Tonality Visualizer is an interactive polar-pitch map that displays musical notes on a rotating disk. You can connect a MIDI keyboard or open a MIDI file — every note appears in real time. The app helps you see harmony, motion, and chord relationships, even without formal music theory. Main Features •MIDI Input: visualize notes directly from your keyboard or MIDI device. •MIDI File Playback / Trainer Mode: play or practice chord by chord. •Live Sound Option: enable/disable the built-in synth for input playback. •Physics-based Disk Rotation: the disk moves naturally according to musical torque. •Simple UI: switch between water-fixed / disk-fixed anchors, toggle UI visibility, bilingual JP/EN. Perfect for music learners, creators, and anyone who wants to “see” sound. Privacy No data collection. All processing happens locally on your device. License Open-source under the MIT License. Source code available on GitHub. Supported Formats •.mid / .midi files (Format 0 / 1) •CoreMIDI device input

Explore musical harmony in a visual and intuitive way with KeyOrbit — an interactive Circle of Fifths designed for musicians, students, and composers. The app makes it easy to navigate between musical keys, understand harmonic relationships, and quickly visualize the chords within each key’s harmonic field. The interactive wheel transforms traditional music theory into a dynamic and easy-to-understand experience, whether you’re studying scales, composing songs, or practicing improvisation. With a modern and minimal design, KeyOrbit turns the classic Circle of Fifths into a powerful tool for learning and musical creativity. Key Features • Interactive Circle of Fifths navigation • Clear visualization of major keys and relative minor keys • Automatic highlighting of the harmonic field for the selected key • Display of key signatures with sharps and flats • Clean, modern, and easy-to-use interface • Perfect for students, guitarists, bass players, pianists, and composers Whether you’re learning music theory or looking for a fast way to explore chord relationships and key signatures, KeyOrbit is the perfect musical companion to keep in your pocket.