At the CES event in Las Vegas this week, Fitbit unveiled a new Bluetooth Smart-enabled, wrist-worn activity tracker, called Fitbit Flex. Like most of Fitbit's other trackers, the Flex also promises to ...

Alongside the launch of the new screenless Google Fitbit Air tracker, Google has confirmed that the Fitbit app is officially being phased out and will be replaced with the Google Health app. Back in ...

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. The Fitbit app will ...

San Francisco-based Fitbit has commercially launched its first wristworn activity and sleep tracking device, Fitbit Flex, which it first announced at the Consumer Electronics Show in January. Fitbit ...

UPDATE: A Google spokesperson has confirmed the Fitbit app was inaccessible for a brief period. However, it is now back up and running. “The Fitbit app was briefly down for some users overnight, but ...

A woman lunging with weights while wearing the new Fitbit Air tracker. - Google Alongside the launch of the new screenless Google Fitbit Air tracker, Google has confirmed that the Fitbit app is ...