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Want to Torch Calories at Home? Try a HIIT Workout From One of These Top-Rated Apps
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Keelo

Cost: Free

Keelo is ideal for those who want to build lean muscle. The app's short, strength-based HIIT workouts can be done at home or in the gym, using either your bodyweight or minimal equipment like dumbbells and kettlebells. The video instructions make it easy to follow along and perfect your form.

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