Roundwork – Interval Timer

A focused interval timer for HIIT, Tabata and circuit training. Set rounds, work and rest — then go.

Roundwork is a clean, focused interval timer for HIIT, Tabata, EMOM and circuit training.

Set up a workout with four values: lead-in, work time, rest time and number of rounds. The timer guides you through each phase with clear on-screen colors and audio cues, so you always know whether to push or recover.

FEATURES • Four-parameter setup: lead-in, work, rest, rounds • Clear phase colors and audio signals for every transition • Live heart rate during your workout • Apple Watch companion with live heart rate on your wrist • Saves your session to Apple Health as a workout • Choose from a wide range of activity types • Live Activity on the Lock Screen and Dynamic Island • Simple, distraction-free design

No accounts, no clutter. Open the app, set your intervals and train.