tacet - Haptic Silent Metronome for Apple Watch!

[Tacets haptic metronome is its] killer feature - Cult Of MacMust have and a gem - MacworldThe silent metronome where you feel, not hear, the beats. The simple BPM calculator always on your wrist. As such, our users may find it better to use it for starting out with the right beat, checking if they are on tempo, and more, rather than while they are playing.