GrandScore vs Tonality Visualizer

Musical Lineage meets Interface GrandScore is a new kind of piano practice experience that blends the tradition of classical music with the power of modern technology. It is designed to support your daily, steady practice and help you grow - one note at a time. Our goal is to help you play the songs you love on a real piano in the physical world. GrandScore offers a musical score with features such as: - Visualized sheet music - Real-time playback - Partial playback Even if you can’t read sheet music yet, you can start by simply playing. Learn through sound and movement first - then deepen your understanding naturally. GrandScore is here to make piano practice more intuitive, more accessible, and more inspiring.

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