Quiztones – Apple iPhone / iPod Touch and iPad App Promo Codes to Giveaway

Apple iPhone / iPod Touch and iPad app promo codes to giveaway for the Music app Quiztones courtesy of Audiofile Engineering. Quiztones is a frequency identification ear training app for amateur and professional audio engineers and musicians. Quiztones uses frequency-altered tones, noise and musical loops to train your ears and help develop more acute listening and frequency recognition skills.

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