iOptigan

iOptigan is a music instrument app that authentically recreates the classic Optigan optical disc organ for iPhone and iPad. Play nostalgic chord loops and lead melodies with the signature retro lo-fi character, switch between vintage disc libraries, and capture ideas fast. Ideal for producers, sound designers, and performers seeking a unique vintage texture in modern workflows. Core features include an authentic Optigan-style sound engine with chord buttons and melody keyboard, an expandable disc library with tempo control and built-in effects, and seamless integration via AUv3, MIDI, Audiobus, Ableton Link, and audio export for music production and live performance. Keywords: virtual instrument, music production app, vintage instrument, retro lo-fi, iOS music, MIDI, AUv3.