Round Sport Timer

Boxing rounds, Tabata, HIIT and fully custom interval workouts — one clean offline timer. No account, no ads, no internet needed. Just press start and train.

Round Sport Timer is a clean, distraction-free interval timer for boxing and any kind of interval training. Set up your workout once — then just press start. BUILT FOR TRAINING • Classic boxing rounds: work / rest × rounds, with get-ready countdown and cooldown • Ready-made presets: Boxing 12×3, Amateur 3×3, Tabata, HIIT 45/15, EMOM • Fully custom workouts: build sets of segments with different durations (e.g. [Sprint 15s + Punches 10s] × 8), name them and give each its own color • Big glanceable circular countdown — readable from across the gym SIGNALS YOU CAN'T MISS • 18 sound signals — pick different sounds for round start, round end and warning • Warning beep N seconds before the end of a phase • Haptic feedback on phase changes • Sounds play even in silent mode and over your music MADE FOR REAL SESSIONS • +10 / +20 / +30 / +60s buttons — extend the current phase on the fly, perfect when training with a coach • Pause, resume, repeat; workout summary at the end • Screen stays awake during the workout • Accurate timing even if you briefly switch apps SIMPLE AND PRIVATE • 100% offline — no account, no ads, no tracking, no internet required • All data stays on your device • Light, dark and system themes • English and Ukrainian interface Whether you're a pro fighter, a coach running group sessions, or just doing Tabata at home — Round Sport Timer keeps the time so you can keep the focus.