Ableton Live iPad Editor is an unofficial MIDI controller for Ableton Live.
The user interface is similar to Live’s, and lets you control the scenes, volume, sends, recording etc. of Live running on Mac or Windows.
Pricing and Availability
Ableton Live iPad Editor is available now for 5,90 €. The app requires the iPad app TB Midi Stuff, which is 4,99€. See the developer’s site for details.