Careful of your data usage, dude. (Thinkstock)

Many of us have trouble staying within the limits of our data plans. There’s always a cute dog video we must watch immediately, or a certain celebrity’s Instagram feed to check. And it’s hard to know, in that very moment, if the link you’re tapping will be the content that pushes you into overage-fee territory. Luckily, iOS 8 has a new feature built in to help you monitor your usage.

Just as you can check the percentage of battery drain per app, you can also see which app is the most data-hungry.

To do this, go to Settings → Cellular and scroll down to Use Cellular Data For.

You’ll see an alphabetical list of every app you own. For each, you have the option to enable the use of your precious cellular data by toggling a button to the right. I usually turn that feature off for any app I don’t use regularly, and especially anything that’s useless to me on the go. Of course, you’ll still be able to use it most of the time; it just means the app won’t update while you’re away from a WiFi connection.

View photos iPhone Cellular settings screen More

Underneath each app’s name, you’ll see the amount of data it’s used during a certain period of time.

View photos iPhone Cellular settings screen More

Scroll all the way down, and you’ll see that Apple keeps track of that period of time in a tiny font at the veeerrrry bottom of the screen. If you’d like to reset your data, tap Reset Statistics.

View photos iPhone Cellular settings screen More

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