The Fitbit Zip Wireless Activity Tracker is a small & discreet device that gives you a fun way to get fit. More than a pedometer, Zip tracks your steps, distance & calories burned before syncing the data to your. Fitbit account. You can set goals, stay motivated & stay on the path to fitness with graphs, badges & competitions, online or using the Fitbit app for iPhone (available in the app store) Youll know when you are reaching your goals while you exercise.