Fitbit

Fitbit is a company based in San Francisco specialized in producing fitness trackers. The data collected by the gadgets can be synched online and visualized graphically on a website and via the Fitbit app.

Fitbit tracker

 * Fitbit Classic
 * steps
 * distance
 * calories burned
 * activity
 * sleep
 * Fitbit Ultra - features like Fitbit Classic plus
 * altimeter
 * digital watch
 * stopwatch
 * Fitbit One
 * New version of Fitbit Ultra with separate clip
 * Fitbit Zip
 * steps
 * distance
 * calories burned

Fitbit Aria
Fitbit Aria is an "intelligent WiFi scale" measuring the weight, the BMI, and the body fat in percent for up to eight different users and which is able to sync this online.

Fitbit app
The Fitbit app allows to sync the recorded data "on the go" and offers a visualization including daily goals, leaderboards with friends and more on your mobile device.