How To Tell Which Apps Are Using Data

Acquire how to check data usage on your iPhone to stay within your mobile data limits and avoid overage fees.

By Sarah Kingsbury Updated 04/11/2021

If you lot take a limited data plan or a information cap for your iPhone, it's a good idea to keep an eye on where your cellular data is going. But how do you find out which apps utilize the most data? If y'all can detect out which apps are sucking your data, you tin can turn off Cellular Data usage for them, which means yous'll only exist able to admission the apps over Wi-Fi. (You lot tin can likewise turn on low-data mode.) If you're trying to stay inside a certain corporeality of gigabytes each month, this data-saving tip will make it piece of cake!

Related: Forgot Your Restrictions Passcode? How to Reset It Without Restoring Your iPhone or iPad

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Open the Settings app.
Tap the Cellular push button in the Settings menu.
Scroll downwardly to the Cellular Information section. Each app you have volition be listed, and the corporeality of cellular data used will be shown below each app.
Using the toggle, plow off apps using unnecessary mobile data.
For case, you tin see that I've used 493 MB of my data on Facebook. But I don't desire to waste my information on Facebook. So I'thou going to toggle off the button next to it.
Now when I try to use Facebook exterior of Wi-Fi, my iPhone volition allow me know it tin't because I have cellular turned off for the app.
Follow this process to selectively turn cellular data off for apps that you don't desire using cellular data.

Best Practices for Limiting iPhone Information Usage

If yous are concerned well-nigh your iPhone's information usage, information technology's a good idea to toggle off any apps that y'all don't absolutely need to access while you're out and nearly. If you spend nearly of the day connected to Wi-Fi, that could exist every app except conditions, navigation, and fitness-tracking apps. By toggling the switch, you can always restore an app's cellular access temporarily or permanently if you lot detect yourself wanting to use it away from Wi-Fi.

Cellular Data Usage will bear witness yous how much information you've used in a given time period. This information does not reset automatically; if you want to keep track of this in order to prevent data overages, information technology'southward a good thought to set a monthly reminder to manually reset your data usage statistics on the starting time mean solar day of your billing cycle. You can reset the statistics by scrolling down to the lesser of the screen and tapping Reset Statistics.

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