San Francisco, California-based Fitbit has released an update to its app which use Apple's M7 motion coprocessor, according to TechCrunch, so that even those without a Fitbit activity tracker can use ...

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: ...