Interval timer
Set your work and rest times and the number of rounds, then press Start. The screen turns green for work and orange for rest.
Popular interval formats
| Format | Work | Rest | Rounds |
|---|---|---|---|
| Tabata | 20 s | 10 s | 8 |
| HIIT 45/15 | 45 s | 15 s | 10–12 |
| 30/30 | 30 s | 30 s | 10 |
| EMOM | 60 s | 0 | 10–20 |
| Running intervals | 60–120 s | 60–120 s | 6–10 |
Beeps count down the last 3 seconds of every interval, and a different sound marks the start of work and rest, so you never need to look at the screen. Press Space to start or pause and R to reset. Your settings are saved on this device.
Questions people ask
What is an interval timer?
A timer that alternates between work and rest periods for a set number of rounds and signals each change, so you can train without watching a clock.
What is a good interval for beginners?
Start with 20–30 seconds of work and an equal or longer rest, for 6–8 rounds, and build up from there.