Nokia Lumia 925 shows off Datasense app
The app allows users to keep track of their data usage, even allowing them to see which apps are consuming the majority of their monthly data allowance. The app will also keep track of how many days are remaining in the billing month. Check out the video below to see if Datasense is an app that you are going to want to install on your Windows Phone device following the GDR2 update, which could see the light of day within weeks.
source: AAWP via WMPoweruser