Mobile DMX app for iPhone and iPad

Mobile DMX is a fully featured Mixing Desk for DMX based lighting systems.

Requires:
An iPad.
An Ethernet/DMX interface
Optionally, a Windows PC to run its Companion App

Features include:
Controls up to 256 DMX lighting channels (in Universe 0).
Channels can be given descriptive names.
Presets (Crossfade between lighting setups)
Composite Channels (RGB/RGBD)
Banks (Display subsets of channels)
Full Automation
Cues (Programmable actions to carry out during the performance)
Matrices (Programmable buttons)
Free Windows Companion App (Edit/Print lightshows in Windows)

See http://mobiledmx.com for more information, including the manual.