ChronoTimer: Tabata & HIIT

The simple, precise interval timer for Tabata, HIIT and circuit training, at home or at the gym.

Set up your session in seconds, press start and let ChronoTimer guide you: audio countdown, spoken announcement of the next exercise and haptics. All you have to do is push.

YOUR WORKOUT, YOUR WAY
• Adjustable warm-up, work, rest, number of exercises and cooldown
• Chain several rounds in one session
• Ready-made templates: Classic Tabata 20/10, HIIT 30/30 and 40/20, Double Tabata, Pyramid, Beginner
• Save your favorite sessions and name each exercise

GUIDANCE WHILE YOU TRAIN
• Big, easy-to-read countdown, color-coded by phase
• 3-2-1 countdown in a standard or kid voice, plus the next exercise announced
• Your music keeps playing: it only gets quieter during the cues
• Pause and resume anytime, follow along on the Lock Screen and in the Dynamic Island

STAY MOTIVATED
• Workout streak and personal best
• Weekly session goal
• Chart of your workout minutes by week, month and year
• Home Screen and Lock Screen widgets

BUILT FOR IPHONE
• Save your workouts to Apple Health, if you want to
• Start a session with Siri or the Action button: "Start a workout with ChronoTimer"
• Share a session with friends with a QR code or a link

ChronoTimer is free, with unobtrusive ads shown only after a completed workout. Premium, a one-time purchase, removes them for good.