Now in beta · iPhone + Apple Watch
Your body becomes the input.
SonicStride listens to how you move — and the music responds.
Free during beta · iPhone + Apple Watch required
Theworldisloud.Soweputinheadphones.Andmadeitlouder.
Whatifthemusiclistenedback?
How it works
01
Apple Watch sends heart rate, motion, and physiological signals to SonicStride every second.
No playlists. No decisions.
Just move — the music follows.
Moments SonicStride was made for
After work · Mind settling
Step outside. Let the music slow your thoughts as your body relaxes.
On the move · Getting ready
Your pace picks up. The rhythm locks you into the day.
Push · Sweat · Momentum
As your heart rate climbs, the music rises with you.
What people say
Working out feels so different now. The music matches my pace perfectly, whether I'm running or taking it slow, and it keeps me pumped. The tracks are super fresh — feels like I've got my own DJ.
— Amilia Chen, Fitness enthusiast
I didn't realize how much I keep checking my phone during runs until I used this. I just… stopped. The music kept changing and I forgot about everything else.
— Shi-jie Pan, Freelance designer · Taipei
I don't really know how to describe it… but it felt kind of magical.
— Alex Rivera, Product designer · London
Working out feels so different now. The music matches my pace perfectly, whether I'm running or taking it slow, and it keeps me pumped. The tracks are super fresh — feels like I've got my own DJ.
— Amilia Chen, Fitness enthusiast
I didn't realize how much I keep checking my phone during runs until I used this. I just… stopped. The music kept changing and I forgot about everything else.
— Shi-jie Pan, Freelance designer · Taipei
I don't really know how to describe it… but it felt kind of magical.
— Alex Rivera, Product designer · London
Join the waitlist. Be the first to feel it.