Ever tried Photon iOS?
I really like it. Works great for me.
I tried Vibrio because it is free but I don't like it, so I tried Photon (
http://photon-ios.com) and it's cool ! The app is free and if you want to unlock the "sequencer" is less expensive than Luminair. It is only for small stages or theaters, Photon is very cool with music synchronization. The disadvantage is that here is not a lot of fixtures in the database but you can create your own. I'm using it with an Enttec ODE, it works very well together.