Originally Posted by
nmenaker
if you are using ios 7, it will tell you what is actually using the cellular data.
Yeah it is very useful. My son has an iPad Mini Retina with the free Tmobile 200Mb per month plan. He is only 8 but he has already learn to watch his data usage and monitor all the apps so the 200Mb will last the month. Some of the games and apps use a lot more data than you think they should.