How to Check Data Usage on iPhone [Full Guide]

Is your data usage on your iPhone very high? Then follow this easy guide to check data usage on iPhone and learn how to reduce it. We will also share how you can check which app is consuming more data and how you can drop the consumption.

Though some regions have reduced cellular data charges significantly, most areas continue with expensive rates. That is why it becomes crucial to know more about cellular data usage and how to keep it in check. Monitoring the data usage on iPhone will save significant money while reducing data consumption.

Check Data Usage on iPhone

How to Check Cellular Data Usage on iPhone?

The total amount of data you have in the iPhone is called the cellular data quota. When you use that data to read emails or send messages on WhatsApp, or any other iPhone app, cellular data is being used. The iPhone keeps track of the cellular data used. That way, you can look at the information and take steps accordingly.

For instance, if you feel the data usage is too much, you can opt for some steps. That way, you don’t have to come close to crossing the lines of paying extra charges. Here, we will shed more light on how to check cellular data usage on your iPhone. Avoiding data consumption that is not needed is now easy and hassle-free.

1. Check Cellular Data Usage on iPhone

Do you want to check the cellular data usage on the iPhone? In that case, you can take a look at the steps mentioned here –

  • Go to Settings.
  • Click on the Cellular from the Settings area.

Click on Cellular iPhone

  • In some cases, you might also come across the Cellular Data option.
  • Scroll below and check out the Current Period and Current Period Roaming parts. That will give you more information on your cellular data usage.
  • You can also scroll down and see the different apps using mobile data.
  • You can always turn the toggle off if you don’t want these apps to use cellular data. That means that these apps will use the Wi-Fi data for functioning.

Data Usage on iPhone

  • If you want to see the mobile data usage for each System Service, you can do that too.
  • For that, you need to look out for System Services and click on it.

Tap on System Services on iPhone

Note: Keep in mind that turning off or on the mobile data for each System Service is impossible.

2. Save Cellular Data with Low Data Mode

Did you know that using the low data mode can help save cellular data on your iPhone? Well, take a look at the steps and find out more –

  • Go to the Settings app on your iPhone.
  • Tap on Cellular.
  • Tap on the Cellular Data Options.

Tap on Cellular Data Options on iPhone

  • Toggle on the Low Data Mode option.

Toggle on Low Data Mode on iPhone

Note: It is essential to understand that you will come across a “Allow More Data on 5G” if you have iPhone 12 or recent versions. It is the exact opposite version of low data mode. With this, you can expect more data usage. That is why you must be careful and refrain from tapping on this option.

3. Reduce Unnecessary Data Consumption on iPhone

There are other ways to keep a check on cellular data usage too. You can opt for the reduction of unnecessary data consumption by following any of these tips. Check them out:

Disabling Wi-Fi Assist

An unstable Wi-Fi connection transfers a load of data usage to the cellular carrier. That means when your Wi-Fi acts up. Your cellular data pays the price. In fact, the Wi-Fi Assist option on iPhone makes sure that the cellular data is used when the Wi-Fi is malfunctioning. It can absorb a significant amount of data in no time.

That is why you must ensure that the Wi-Fi Assist is turned off. For that, follow these steps:

  • Go to Settings on the iPhone.
  • Tap on Cellular Option from there.
  • Now, scroll down and look out for Wi-Fi Assist.Turn Off Wi Fi Assist iPhone
  • Make sure that you turn off the option.

Ensuring that the background apps refresh by only using the Wi-Fi

Generally, background apps use a significant part of your cellular data. If you are not careful, these apps can extract important data from your device. Fortunately, the iPhone can regulate this cellular data usage through the background applications. You can ensure that the apps can only refresh if they detect a Wi-Fi connection.

Here are the steps you need to follow –

  • Go to the Settings app on the iPhone.
  • Click on the General option.
  • Scroll down to Background App Refresh.

Tap on Background App Refresh

  • Click on it, and tap on Background App Refresh on the top.
  • You will see three options. These are – Off, Wi-Fi, and Wi-Fi & Mobile Data.
  • You need to select the Wi-Fi option.Choose Wi Fi Option from Background App Refresh


I hope the post was easy to understand, and not only do you know how to check data usage on your iPhone, but you were also able to figure out which app is consuming more data.

Yogesh Mankani
Yogesh Mankani has been a freelance content writer for the last ten years. His passion for blogging and giving words to his ideas and thoughts make him fall more in love with his profession, which he takes very personally.


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