The Fitbit One looks a lot like the Ultra – just a slimmed down version of its predecessor. Available in black or burgundy, the device comes with a silicon clip so you can attach it onto your clothes ...

The Fitbit Zip is a nice, entry-level fitness tracker. It’s good as is, but needs a bug fix to earn a higher endorsement for iPhone users. Editor’s note: This review has been updated substantially—and ...

When you open up the Fitbit Zip, you find that it's a small, inconsequential device. Not fancy at all, it's not much bigger than the the small CR 2025 battery that powers it. The devices sports a tiny ...

If you were thinking about buying a fitness band, a university study suggests you probably shouldn’t bother: it found that the Samsung Galaxy S4 and iPhone 5s measure activity more reliably than most ...

Fitbit’s Newest Gadget: 24/7 Fitness Tracking Meets 24/7 App Syncing The device is meant to do all of what the Jawbone Up originally promised.