This excerpt from the ebook, A Practical Guide to Networking and Security in iOS 8, offers a variety of advice on keeping your cellular data usage down. You can have mobile access when you need it ...

Phones are great at many things, but saving mobile data isn't one of them. If you often run out of data, here are a few key ...

My Twitter feed is full of people telling me about mysterious data usage over cellular networks after installing iOS 6 or acquiring an iPhone 5. Adam Engst already penned an article explaining ...

New in the iOS 7 Settings application is the ability to track cellular data usage per each app you have installed on your device. In iOS 6, it shows you how much data you use, but it did not ...

Prior to iOS 7, apps weren't truly allowed to run ... Scroll toward the bottom of this page. Just below the cellular data usage stats you'll find a list of apps installed on your device, along ...

On iOS, go to the Cellular settings menu and scroll down past the list of apps and their individual data usage. The toggle for Wi-Fi Assist should be right there. Turn it off and your phone will ...

As well as blocking individual app access to cellular data or turning it off entirely, there’s another option on iOS that you can use to limit data usage while you’re away from Wi-Fi ...

Onavo Count helps you track data usage, app by app ... a free, standalone iOS and Android app that compresses cellular wireless data so you can get more out of your allotment.

Another option is using your carrier’s mobile apps. How your carrier accounts for your data usage might be different than what iOS and Android say, so we recommend you keep an eye on your data ...

Based on the data from its first report, which included only usage from iOS users, Onavo came up with five tips to help consumers cut their mobile data bills. Many Web sites have a mobile version ...