Hard work, easy time
Circuit is a simple, beautiful way to run your interval workout timers.
On repeat
Save your favorite circuits and start them with a single tap.
Glance away
Large timers make it easy to track your progress from a distance.
Make it yours
Customize how Circuit looks and feels with default timers, custom app icons, and more.
Sound on
Circuit comes with custom sounds designed to keep you on track.
Designed and built by
Sound design by