Interval Timer - HIIT & Tabata

Interval Timer is an intuitive, customizable workout timer for HIIT, Tabata and all interval-based training. Configure warm-up, preparation, exercise, rest, sets and repetitions; assign a unique color and sound, vibration or voice announcement to each phase. Add notes, pictures and videos to exercises, save unlimited routines, organize workouts with tags and plans, and export or share training sessions. The large configurable display and background notification keep your session visible and on schedule.

Track progress with a training calendar and detailed graphs, and optionally sync activity data via Health Connect. No account or subscription is required — all core features are free. Ideal for home, gym or outdoor sessions, the app supports running, boxing, circuit training, plank holds, yoga, meditation, breathing exercises and more to help you stay consistent and reach your fitness goals.