Okay, I don't see any thread covering APPs for any fitness. You give the reviews or your phone..Naples or android .
I'll through this one out there. I've down load many, from CF to timers, to couch to 5K, ROTC. This one is, so far, a good timer app. It gives you timers for all your different kinds of workouts. Intervals, tabata, stop watch, etc. Four total.
http://appcrawlr.com/ios/iwod-fitness