Video: Fitbit Ionic: Is it an Apple Watch killer? I posted my full review of the Fitbit Ionic in September, and then I followed that post after a month of regular use, when it was clear the Ionic is a ...

Fitbit is updating its Ionic and Versa watches today with the latest version of Fitbit OS, which adds support for a handful of new third-party apps. Fitbit OS 3.0 will also let users quickly log their ...