Show the app's frame per second in the status bar on iOS.
I hate lagging apps and do my best to keep FPS high on @YPlan. Sometimes it's very hard to say if lag is visual or real and Instruments IMO is bit awkward. I needed better "tool"... At first, I wrote quick FPS counter that showed FPS in UILabel but that wasn't verry convenient as it covered part of the app and you couldn't see history, so I decided to add graph. But where...? STATUSBAR!!! It's perfect place! I don't use it for anything and it doesn't cover app - what can be better?