iPhone users...what apps?

[Irving]

The ones that I know of are:
shot timer
bullet drop calculator
realistic/specific gun sounds
and one where you shake the phone and it racks the slide. Then you touch the trigger and it fires.

I've never had an Iphone though, so I don't have any more info.

[Graves]

http://www.knightarmco.com/bulletflight/index.htm
And
Surefire Shot Timer (free)