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ChordBud, Built with AudioKit. Plus, Source Code Included...
Developer Cem Olcay has released several apps built with AudioKit. His latest app ChordBud, is awesome! ChordBud is a MIDI sequencer that sends MIDI to other apps in an iOS device, MIDI hardware, and even a Mac or PC. Plus, it supports Ableton Link as well. But, there's one more big thing..