HIIT: Interval Timer

HIIT Timer is a focused interval timer for high-intensity workouts. Set your warm-up, work, rest, exercise count, rounds, and round reset time, then start a clean workout timer built for quick glances during training. The timer keeps the current phase, remaining time, total elapsed time, exercise count, and round count visible without clutter. It is designed for bodyweight circuits, cardio intervals, tabata-style sessions, gym supersets, and simple home workouts. Features: - Custom warm-up, work, rest, and round reset durations - Exercise and round counters - Workout history in Stats - Live Activity support on iOS - Optional vibration feedback for countdowns and phase changes - Simple, distraction-free HIIT flow