RoundFlow — Interval Timer

The round timer that keeps your music playing — it ducks for the bell, then hands the volume right back. A coach in your corner for Boxing, MMA, Muay Thai, HIIT & Tabata.

RoundFlow is the round timer that doesn't kill your music.

Start Spotify, Apple Music or YouTube Music, hit START, and train. At every round change RoundFlow ducks your music for a moment, rings the bell, then hands the volume straight back. Your playlist never stops.

A COACH IN YOUR CORNER • A real recorded coach voice calls your rounds, rests and the final "3-2-1" • Combo calls shout random combinations — "Jab, cross, hook!" • Bell, voice and haptics — or pick a system voice

BUILT FOR EVERY ROUND • Boxing, Muay Thai, MMA, kickboxing, taekwondo, CrossFit, HIIT & Tabata • Unlimited custom profiles: rounds, round time, rest, prep and end warning • A big, glanceable timer ring you can read from across the gym

TRAIN WITHOUT LOOKING • Live Activity & Dynamic Island keep the round live on your Lock Screen • Apple Watch companion with a haptic on every bell — leave the phone in your bag • Runs in the background with the screen off

TRACK YOUR WORK • Automatic training log of every session • Stats: total workouts, total time, weekly activity and streaks

RoundFlow Pro unlocks unlimited profiles, the full training log & stats, every voice and combo calls. Try it free for 7 days, or unlock forever with a one-time purchase.

The only timer that lets your music play. Ring the bell.

Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://zakin02.github.io/roundflow/privacy.html