Make every second count.
Offline intervals. Your own rhythm.
Five ways to train
HIIT / custom intervals, Tabata, EMOM, AMRAP and For Time. Configure rounds, sets, preparation and rest.
Stay with each phase
Large timing digits, ring progress, foreground speech and haptics, and local background phase notifications. Timing continues while locked.
Your plans and history
Save, duplicate and favorite workouts, name actions, and review active time, completed timed rounds and skipped phases.
Native iOS 26 experience
For iPhone with iOS 26 or later. Built with native Liquid Glass, with English and Simplified Chinese.