AutoArp!

AutoArp turns your iPhone (or iPod Touch) into a musical instrument that is halfway between a traditional auto-harp zither and an arpeggiated analogue-style synth. Select a chord and strum the laser strings with your fingers to create a retro, and yet futuristic, backing to your music. There are 22 chord types, ranging from major and minor to jazz chords like minor 11th and major 7th with a sharp 11th NEW:* BRAND NEW UI - new look and feel with retina support finally brings AutoArp into the 21st century, as well as an improved interface for editing songs and settings* Audiobus support for inter-app audio (even on iOS 6), so you can wire AutoArp up to loads of other great FX, mixing and recording apps* Improved audio engine, built using The Amazing Audio Engine (from A Tasty Pixel), with lower latency* MIDI support, including hardware CoreMIDI-compatible interfaces, inter-app MIDI and even network MIDI (paid version only)* Share songs with other AutoArp users via email (paid version only)* Transpose playback +/- 6 semitones to play in any key (paid version only)