Phrase Trainer is described as 'The SPT-667 Phrase Trainer makes learning riffs by ear really simple. Say you want to copy a guitar solo. The Phrase Trainer lets you to load the song (wav,mp3,wma etc...) slow down the playback speed to as little as 50% (or speed it up to double-speed,why not?' and is an app in the audio & music category. There are more than 10 alternatives to Phrase Trainer for a variety of platforms, including Mac, Windows, Linux, iPhone and iPad apps. The best Phrase Trainer alternative is Transcribe!. It's not free, so if you're looking for a free alternative, you could try Sonic Visualiser or Amazing Slow Downer. Other great apps like Phrase Trainer are Capo, AudioRetoucher, Audioalter and Audiophile TuneLite.