Transform Your Fitness

Science-backed HIIT workouts that maximize results in minimal time

Download on the App Store

Why HIIT Timer?

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Smart Intervals

Customizable work and rest periods designed to maximize your workout efficiency

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Audio & Haptic Feedback

Never miss a beat with intelligent sound cues and haptic vibrations

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Progress Tracking

See your workout history and track your fitness journey over time

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Beautiful Design

Modern iOS 26 Liquid Glass design that's as functional as it is stunning

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Background Mode

Keep your timer running even when your screen is locked

Quick Start

Jump into your workout in seconds with preset configurations

The Science Behind HIIT

25-30%
More Calories Burned
48 hrs
Afterburn Effect
20 min
Average Workout