A.P.S. Development LLC

A.P.S. Tuner is an incredibly useful, full featured, tuning application. It is both incredible easy to use, and already remarkably familiar to anyone …

A.P.S. Stopwatch is an incredibly useful, full featured, timing application. Including accurate timings to the tenth of a second, this app will also p …

Updated for iOS8! The A.P.S. Tuning Trainer is unique app. that approaches ear-training from a completely neglected angle -properly tuning an instrume …