dp Tools

The long awaited sequel to one of the original and best-selling ear training apps on the App Store is almost here. All aboard the freqtrain!-freqtrain …

1/6/14 - Half price for 2014! Take advantage of our sale while it lasts! Accept no imitators, freqTrain is THE standard for studio and live sound iOS …

Simple Sine is a sine wave generator / oscillator for the iPhone OS! No more, no less! Use it to test, calibrate, and troubleshoot sound systems, or j …

1/6/14 - Half price for 2014! Take advantage of our sale while it lasts! Accept no imitators, freqTrain is THE standard for studio and live sound iOS …