piano app for live gigs?

[stingray1059]

i need an app for live gig where i can switch instruments on my m-audio keyboard easily with just one touch or press. something like amplitude.
i tried garage band but there is a delay or loading everytime i switch to piano to synth sound.

 

[GabeCarter]

SampleTank for iPhone and iRig MIDI sounds like it'll fit your needs. I'm loving mine!

 

[somnambulist]

Sampletank is really good. ALMOST as good as a professional keyboard or software synths. You can definitely gig with it. But it's not quite there yet. The realism on piano is a notch better on the other things but it's improving all the time and I bet it pulls even in a year or so.