Aesthetically, the Fitbit Charge 3 and Fitbit Charge 4 are similar. The Charge 4 is hands-down the better tracker for fitness-focused users. The Charge 3 still beats its successor in terms of battery ...

So you’ve bagged yourself a Fitbit, whether that’s a shiny new Versa 3 smartwatch or you’re sticking to the band life with the Charge 5. The good news is that what makes Fitbit trackers and watches in ...