Recently, I had my third Fitbit in a year break. I decided to pick up a Jawbone UP3 instead. But I got to missing my Fitbit friends and some of the other features that are great on the Fitbit. So I looked into using the Fitbit app without a Fitbit device. And I was in luck; I found that the Fitbit app has a feature called MobileTrack. MobileTrack allows you to use your iPhone as a Fitbit, in a way. To setup MobileTrack, install the Fitbit app from the App Store and login with your FitBit account. From the Fitbit app, tap on the “Account” icon in the icon bar. You’d normally add your Fitbit…