Xcode Logger

Xcode Logger is a fast (up to *35x times faster than NSLog), very simple to use, flexible library which provides scheme-based, customizable and colorful (using the Xcode Colors plugin) NSLog replacements.

*based on tests comparing NSLog vs XLog's No Header level, average operation time after 5 runs with 5000 iterations per test, per run on a MacBook Pro Retina.