How to Monitor (and Control) App Data Usage on Your iPhone

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Find out which apps are using the most cellular data on your iPhone
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This wikiHow article teaches you how to check and monitor how much mobile data each app has used during your current or previous billing period.

Quick Steps

  1. Open the Settings app.
  2. Tap Cellular or Mobile Data .
  3. Scroll down to the Cellular Data header.
  4. Check the number under each app to see the data usage for your selected period.

Steps

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    The icon looks like a set of grey cogs (
    iPhone Settings App Icon
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    ) and is located on the home screen.
    • If you can't find it on the home screen, Settings may be located in the Utilities folder on the home screen or in your App Library.
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    It is located in the first group of menu options. [1]
    • This button may appear as Mobile Data if your phone's language is set to British English.
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    This will display your cellular data usage for the current billing period by default. If you want to see the data for the previous billing period, tap the Last Billing Period tab at the top of the list of apps.
    • By default, the apps will be sorted by the amount of data usage. If you want to easily find a specific app in the list, tap Sort By Name at the top.
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    Each app will be listed with a number below its name. This is the amount of data each app has used since the start of your selected billing period.
    • To reset these statistics, scroll down to the bottom of the Cellular menu and tap Reset Statistics .
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Community Q&A

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  • Question
    How do I find out how much data I have left on my iPhone?
    Community Answer
    You can go to settings and check to see how much data you have left.
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      Tips

      • Tap the green switch next to an app to prevent that app from using the phone’s cellular data. The app will switch to using only Wi-Fi data.
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      • Tap System Services near the top of the list of apps to see how much cellular data iOS services are using.
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      References

      1. ↑ https://support.apple.com/en-us/109323

      About This Article

      Article Summary X

      1. Open Settings .
      2. Tap Cellular .
      3. Scroll down to the “Use Cellular Data For” section.
      4. Review the data usage for each app.

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