Tabata Timer: HIIT Intervals

Tabata Timer for HIIT, gym sessions, and classic 20/10 × 8 — simple to start, solid when it counts. Open the app, tap a timer, and train. Big work and rest phases, optional beeps and spoken cues, and a countdown you can trust with the phone locked. Live Activity and Dynamic Island keep the interval visible. CLASSIC TABATA & MORE • Traditional Tabata: 8 rounds, 20 seconds work, 10 seconds rest (~4 minutes) • Beginner Tabata, HIIT 40/20, Norwegian 4×4, boxing rounds • Full custom: rounds, work, rest, countdown, warm-up, cool-down • Optional exercise names per round (shown and spoken) BUILT FOR REAL WORKOUTS • Glanceable gym-first UI • Accurate timing with lock screen / background use • Live Activity + Dynamic Island • Haptics, beeps, and announcements you can mute • Screen stays awake while the timer runs PHONE & SHORTCUTS • Favorites and recent timers • Reorder, duplicate, and edit • Siri / Shortcuts • History of completed sessions • Optional Apple Health HIIT logging This app is a training timer, not medical advice. Always train safely and consult a professional if you have health concerns. Download free and run your next Tabata or HIIT session with less friction.