Requires Mogees Pro or Play vibration sensor, available from Mogees.co.uk Mogees Keys allows you to you to play melodic arpeggios and chords through a simple and musical application for iOS 8+ Just stick your Mogees vibration sensor to any object in the real world, plug it into your iPhone or iPad, open the Mogees Keys app and convert the raw sound from the sensor into flowing arpeggios or chord progressions. Select your notes from the top keyboard and with each hit you will hear the next note in the sequence. Quickly move the root note using the bottom keyboard to build harmonic progressions or chord sequences. Depending on how hard you hit, you can choose to trigger chords or reset the arpeggio. Mogees Keys features 3 Sound Engines with more to come including Muon, Scope, and Chow. Each Sound Engine allows fully customisable synthesis parameters. 12+ Scale Modes allow for a diverse pallet of harmonies with quick swap capabilities for key changes. Mogees Keys is AudioBus and Inter-App Audio compatible. Please check http://www.mogees.co.uk/compatibility-list for the latest list of compatible iOS devices.