While AT&T might be willing to take a lot of public heat for its stance on Apple's FaceTime application, Verizon Wireless is taking an entirely different tact. The company says that it will enable Apple's popular video communication apple on all data plans.
"All Verizon Wireless customers will be permitted to use the data-intensive application with no additional charges, including those remaining on unlimited data plans," said a company spokesperson. Sprint has also said it won't place any limits on FaceTime use.
But AT&T will only let users use FaceTime via a Wi-Fi network. If you want to use it on their 3G network then you'll have to switch to a pricier shared data plan.
With iOS 6 you'll be able to finally use it via your 3G network (when it launched it was Wi-Fi only) but AT&T obviously wants you to fork over more money to do that... iOS 6 will be released on iPhones and iPads on September 19.
Source: Ars Technica