Most fitness apps can track calories, steps and workouts, but turning that data into meaningful progress requires more than numbers. Alpha Coach Pro takes a more structured approach with adaptive ...

When I test smartwatches and fitness trackers, I place a particular emphasis on accuracy. Is my running pace correct? Does the device capture the ups and downs of my heart rate? I even got a VO2max ...

Old habits die hard. Just when we thought we'd moved past problematic metrics and obsessive calorie tracking, an AI calorie counter proves we really haven't changed all that much. The new app, called ...

Fitness trackers have become one of the most popular accessories for fitness enthusiasts in recent years. These wearable devices help users track their daily activity by providing information like ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. When you track an ...