Audiofile Engineering have released version 1.7 of Quiztones – their frequency ear training app for the iPhone & iPod Touch. The update includes a new in-app purchase which adds Gain level Comparison quizzes. A new EQ expert mode is now included, and Electric bass has been added to EQ quizzes.
Quiztones uses frequency-altered tones, noise and musical loops to train your ears and help develop more acute listening and frequency recognition skills.
For more information about Quiztones click here.