The new Fitbit Charge 6 is here, but is it enough of an upgrade from the classic Charge 4?

If you plan to mostly use your Fitbit Charge outside and you’re happy to pay for premium membership, the Charge 5, with its bright, responsive screen is the Fitbit for you.

Fitbit's new Charge 4 looks a lot like the Charge 3, but it has stepped up its fitness game with onboard GPS and better activity tracking. Here's everything you need to know.

The Fitbit Charge 5 is official and Fitbit’s flagship fitness tracker is promising some pretty significant updates that might have owners of the Charge 4 wondering whether they should be sizing ...