A new algorithm enables smartwatch fitness trackers to more accurately monitor energy expenditure of people with obesity during physical activity.

Current activity-monitoring algorithms that fitness trackers use were built for people without obesity. Hip-worn trackers often misread energy burn because of gait changes and device tilt in ...

Yesterday, it updated its Health app to make it more accurate, and today, the company is releasing two of its fitness algorithms to the public along with a mood-tracking app. One algorithm helps ...