Just how accurate is that smartwatch or smart ring? I tested three health trackers' step counters to find out.

Please provide your email address to receive an email when new articles are posted on . “This is a well-powered observational study showing the value of smartphone-recorded steps,” Rikuta Hamaya, MD, ...

One of the app’s most requested features is finally here. Gentler Streak now pulls your everyday step data from Apple Health, and uses that to inform your Activity Path. This is especially helpful for ...