InstaChord-i

InstaChord-i is an easy-to-use digital instrument and learning tool that lets you play chords instantly. Switch between guitar strings and piano keyboards, and explore a wide range of chords (major, minor, 7th, M7, sus4, add9, and more) while learning core chord progressions through on-screen buttons.

It supports MIDI connections (Virtual MIDI, Wi‑Fi, and BLE MIDI) to control other apps and devices, includes built-in sounds, and offers paid options for extra features. Developed in Japan under the supervision of Yuichi Nagata, InstaChord-i makes chord playing and music creation accessible anywhere.