In the age of rapid results and smarter fitness, interval timer HIIT workouts have emerged as the gold standard for people who want to get fit faster, burn more calories in less time, and stay on top of their performance metrics. And when it comes to executing these high-intensity routines seamlessly, the right app makes all the difference. The Fit-Q app is designed precisely for this purpose – to keep your intensity sharp and your rest measured to perfection. What is a HIIT Workout? HIIT, or High-Intensity Interval Training , involves alternating between short, explosive bursts of activity and brief rest periods. These workouts are structured to push your cardiovascular and muscular systems to their maximum potential in a fraction of the time traditional workouts demand. Typical HIIT structure: Work interval: 20–45 seconds of intense exercise (e.g., sprints, jump squats, burpees) Rest/recovery: 10–30 seconds of low activity or complete rest Rounds: ...