Can I change round length?
Yes. Change the number of rounds, work time, rest time, and prep countdown before starting.
Boxing
Boxing timer for rounds that stay on pace
Run your boxing rounds with clear work and rest cues, then adjust the timing for bag work, pads, sparring, or conditioning.
10Rounds
3:00Work
1:00Rest
15 secPrep
Boxing, MMA, HIIT, Tabata, and Custom are starting points. Change rounds, work, rest, and prep anytime.
Make the routine fit the work
Create simple intervals or detailed sessions with named rounds, notes, and repeat rules.
- Start with a familiar 3-minute-round rhythm and make it yours.
- Use bells, vibration, and voice cues so you can keep your eyes on the work.
- Save combinations, drills, and notes as reusable routines.
PrimeTimer questions
Does it work for bag work?
Yes. Build intervals for heavy bag work, shadowboxing, pads, sparring drills, or conditioning.
Is PrimeTimer free?
Yes. PrimeTimer is free to download on Google Play, with no subscription.
What workouts can I time?
Use it for boxing rounds, MMA, HIIT, Tabata, circuits, strength intervals, mobility, and custom routines.
Build the timer your training deserves
Download PrimeTimer for Android and start your next round with a clear plan.
Get it on Google Play