Practice at your own pace. Tempo SlowMo is an ideal practice tool for musicians, dancers and language students. Using technology developed for our Chord Detector and Chord Tutor apps, Tempo SlowMo’s sleek and simple design helps you practice playing songs, dance routines or learning a new language by slowing down or speeding up an audio tracks BPM (beats per minute) without affecting its pitch. 5 Stars “Great for playing guitar!” 5 Stars “Elegant and intuitive” 5 Stars “Great for transcribing