Fitbit Ultra | Fitbit

Withings takes on Fitbit and Jawbone with the $99.95 Pulse fitness tracker

Diabetic details the benefits and pitfalls of activity-tracking devices like the Fitbit

Fitbit One and affordable Zip sync fitness data directly to iPhone 5

Fitbit Zip launches today for $59.99 with Bluetooth 4.0 synchronization with iPhone 5, iPhone 4S, and new iPad. Fitbit One costs $99.95 when it goes on sale next month as replacement for Fitbit Ultra.

New Fitbit Android app matches iOS version's features and failures

Fitbit has released a version of its Android app. The app allows users to track exercise and food, but, like the iOS app, lacks some integration with Fitbit Ultra tracker

Fitbit Aria Wi-Fi smart scale hands-on impressions

We just got to see the Fitbit Aria Wi-Fi smart scale here at CES. While it looks just like your typical scale, this differentiates itself by hooking into Fitbit's health tracking website. In addition to your weight, the scale can measure your BMI and percent body fat as long as you are barefoot.

Fitbit Aria Wi-Fi Smart Scale adds weight to your Ultra fitness data

Fitbit Aria Wi-Fi Smart Scale adds weight, body fat percentage, and BMI to your Fitbit Ultra data for a complete view of your fitness level and activity.

Apple preps iOS accessory makers for Bluetooth 4.0; not using Bluetooth for AirPlay

Apple's pushing iOS accessory vendors to make health and fitness gadgets using Bluetooth 4.0, and building a new system for configuring Wi-Fi accessories automatically from iOS devices.