When Kim began using her iPad more than her iPhone, I wondered how much more data she’d use. AT&T’s 4 GB/month tethering plan came in handy on our vacation to Utah. I assumed her data usage would increase, but wasn’t sure how much.

This morning, I pulled the following data usage chart going back a months for her account. This covers the two weeks we spent in Utah (July 27 – August 8).

Likely Reasons for Jump in Data Usage