Fitness Apps

Looking for a simple way to stay on track during your workouts? We’ve tested and reviewed the 6 best free HIIT timer apps you can download in 2025. Whether you’re doing Tabata, circuit training, or quick bodyweight intervals, these apps make it easy to set custom work and rest times.

Discover the best HIIT timers and apps in 2025. From iPhone and Android picks to free apps and devices, find the right HIIT timer for you.

Looking for the best fitness apps for Apple Watch? Our 2025 top picks help you track workouts, improve health, and stay motivated every day.