Pacelab Timer
Set work and rest, stack sets and rounds, add a round break — then run a voice-guided session. No workout builder, no account, no subscription.
Built for HIIT
Dial in work and rest seconds with +/− controls. Perfect for Tabata-style 40/20 or your own ratio.
Stack multiple sets per round, run several rounds, and add a longer break between rounds when you need it.
Review total time, interval count, and what's next before you hit start — no surprises mid-workout.
Audio calls for work, rest, and round transitions so you can keep eyes on the floor, not the screen.
How it works
1. Configure
Adjust work, rest, sets, rounds, optional warmup, and round reset.
2. Preview
Check total duration and interval breakdown before you start.
3. Train
Large timer, phase label, progress bar, and skip controls while you work.
Need more?
Pacelab Intervals adds Tabata, AMRAP, EMOM, circuits, 100+ exercises, share links, and AI integrations — still free.
Explore Pacelab Intervals
Free on iOS and Android. No account required.