The Navichord App

Today's app is the Navichord app:

Navichord (https://www.navichord.com) Musical instrument and songwriting tool; create chord progressions; loop progressions in sync with other apps; trigger chords from MIDI footswitch; play simple chords (minor, major) with one finger from any root; play complex chords (sevenths, ninths) with two or three fingers from any root; play 28 musical scales from any key; compose with Roman numeral chord names; use the same chord shape for any root; discover interesting chord progressions; find chords matching a melody; find a melody matching chords; learn chord structure from the piano keyboard and play along; quick save discovered chords to chord pads; save chord progressions; find chords matching selected scale; loop progressions in sync with many apps supporting Ableton Link; Audiobus and Inter App Audio; record to GarageBand, Loopy, Beatmaker 2, and many more; MIDI support: connect to soft synths via virtual MIDI (Animoog, Thumbjam, Magellan, Sampletank, and many more); connect to hardware synths and external keyboards; send MIDI control messages from keys and pads; (iOS 8.0 or later).