If your Fitbit Flex isn't working properly, you might need to refresh the software and ensure your tracker is accurately keeping tabs on your calorie burn, steps taken, and many other biometric stats.

The Fitbit Flex is one of the most compact fitness trackers offered by Fitbit. The actual tracker itself is only about an inch long, and weighs next to nothing, even when inserted into its band, which ...

Wearable tech and fitness gadgets enjoyed a renaissance this year, and that trend is set to continue into 2015 as more affordable devices like the Fitbit Flex hit the ground running. The Flex is a ...

In the midst of all this talk about the latest-and-greatest wearables, it can also be useful from an expectation-calibration standpoint to look back at the product category’s origins. Herein I present ...

Fitbit has announced a major update to its iOS app, which will be accessible to users of the Fitbit Flex, Fitbit One, and Fitbit Zip devices. The app update adds two new feature sets to Fitbit's app: ...

Fitness enthusiasts who want to track their health data generally rely on trackers from Fitbit and Garmin. These devices provide accurate data and many insights to help improve one's fitness and meet ...