DataWiz for iOS can be used to set alerts that let smartphone users know if they're in danger of going over carrier data limits in what Professor Mung Chiang, director of EDGE Lab, calls the age of $10 for every gigabyte ("You'll never go over your mobile data allowance again!" the iTunes write-up boasts.). With an optional VoIP feature, the personal bandwidth management app tracks cellular and Wi-Fi data without draining the battery.
"DataWiz is a tool for smartphone customers to really evaluate their data usage and reconsider the way in which they are approaching their current data plans," Chiang says.
Bob Brown tracks network research in his Alpha Doggs and Facebook page, as well on Twitter and Google +.
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This story, "Free iPhone data usage tracker released by Princeton lab" was originally published by Network World.