MidiWrist lets you control musical instruments from your Apple Watch

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Chill out with the Apple Watch Breathe app.
What’s the time? It’s time to get ill.
Photo: Graham Bower/Cult of Mac

For Apple Watch-owning musicians, the MidiWrist app is pretty wild. It lets you control almost any music hardware or software just by tapping the Apple Watch. The possibilities are almost literally endless — and you can even map the smartwatch’s Digital Crown as a custom controller.