haptik - The first always-on metronome for Apple Watch
Aftertouch - Aftertouch – 3D MIDI Controller created and published by Kevin Nelson.
Soundbrenner Pulse - A vibrating, wearable metronome for musicians
SoundGrail - SoundGrail Music App designed for pianists, guitarists, and DJs.
iO-808 - Rhythm composer modeled after Roland's TR-808 drum machine.
keezy - A colorful soundboard. Play with music.