Interval Round Timer

Interval Round Timer is the ultimate high-contrast workout timer designed for intense training sessions, combat sports, and interval conditioning. Whether you are doing Boxing, MMA, HIIT, Tabata, CrossFit, Circuit Training, or Kettlebell workouts, Interval Round Timer keeps you focused on your performance with crystal-clear visual cues and acoustic bells. KEY FEATURES: • BOLD HIGH-CONTRAST DISPLAY: Giant countdown digits and dynamic color coding (Green for Work, Red for Rest, Yellow for Warmup) visible from across the gym. • POPULAR WORKOUT PRESETS: Quick start standard training modes including Boxing (3m work / 1m rest x 12 rounds), Tabata (20s work / 10s rest x 8 rounds), MMA (5m work / 1m rest x 5 rounds), and custom intervals. • CLEAR BELL & WHISTLE SOUNDS: High-frequency acoustic bells and sound cues signal round start, 10-second warning, and round finish without needing to look at your phone. • SCREEN WAKE LOCK: Keeps your screen on during active workouts so your session is never interrupted by phone sleep locks. • TACTILE HAPTIC VIBRATION: Distinct vibration pulses ensure you never miss an interval transition even with loud gym music or headphones on. • SESSION HISTORY & LOGS: Review completed workout duration, total rounds, and timestamps. 100% offline and private. • ZERO SAMPLE DATA: Starts completely clean and respects your privacy. No fake data, no accounts required. Built for athletes, fighters, coaches, personal trainers, and fitness enthusiasts everywhere. PRIVACY POLICY: https://hoanganhphan91.github.io/hoanganhphan91/