Cleartune
“Cleartune is sophisticated enough to appeal to professional musicians and yet it's simple enough for everyone to use. It's simplicity and unique interface make Cleartune a highly popular tuning app.” - App Advice
“My most indispensable app is my guitar tuner, Cleartune. None of the old visual or analog tuners are as precise. I've even taken it on stage with me!” - Rosanne Cash
Clockwork
“I have tried other metronomes and this one wins hands down. It gives you the functionality of an expensive dedicated device and much more.” - Chris C 76
“Easy to use interface, full featured metronome (capable of almost any rhythm combination), and a simple but powerful click track sequencer. Great App!” - jaxrsx
StagePass
“StagePass is your sure ticket to an incredible listening experience.” - AppModo
“A life-changing application, one that makes listening to music like nothing you have ever experienced.” - Westword