If you are going over your monthly data allotment, then you may have targeted Twitter as a culprit. Fortunately it is possible to stop the Twitter app from using cellular data on your iPhone by following the steps in the guide below.  

How to Block Cellular Data Usage on the iPhone 7 by the Twitter App

The steps in this article were performed on an iPhone 7 Plus, in iOS 10.3.1. once you complete these steps, the Twitter app will only be able to connect to the Internet and download data when you are connected to a Wi-Fi network. Note that you will also be unable to send any tweets after enabling this setting. Step 1: Open the Settings app.

    Step 2: Select the Cellular option.

    Step 3: Scroll down and tap the button to the right of Twitter to turn it off. There will be no green shading around the Twitter button when you have disabled cellular data usage. I have disabled cellular data usage by Twitter in the image below.

    Note that following these steps is a good idea if you are doing this for your own phone, but you might need to go a step further if you are making this change for someone else, like a child. Disabling app cellular data usage like this can easily be undone by following these steps again and turning the setting back on. Therefore you might want to use something called Restrictions to prevent this setting from being changed. You can find the cellular data usage option on the Restrictions menu and turn it on by following these steps:

  Are you running out of room on your iPhone to install new apps? Read these five tips on ways to increase iPhone storage by removing some files you aren’t using anymore. He specializes in writing content about iPhones, Android devices, Microsoft Office, and many other popular applications and devices. Read his full bio here.

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