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How to delete app data you don't need on your iPhone to save storage space

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You can view and delete app data on your iPhone through the Settings app. NurPhoto/Getty Images
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We pay a lot of money for our iPhones, and they're usually worth it — however, no matter how much we spend, we always seem to run out of storage space far too soon.

There are many ways to clear up space on your iPhone to make sure you have room for all the photos and apps you need. In fact, we have an entire article on the topic: "How to free up space on an iPhone that's running out of storage." 

One method not discussed in that article, however, is how to delete app data on your iPhone. App data consists of all the various settings and documents that an app creates as you're using it, and depending on the app, can take up a sizable amount of data.

Clearing app data can help you reclaim space you need. Here's how to do it.

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How to delete app data on your iPhone

First, see which of your apps is taking up the most space.

1. Launch the Settings app.

2. Tap "General," and then "iPhone Storage."

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On the iPhone Storage page, you can identity which apps are taking up the most data.  Steven John/Business Insider

On that screen, you can scroll down to see how much space each of your apps is using. If you notice that an app or two are taking up a lot of space but you rarely use them, it's a good idea to delete that app's data.

And as it happens, with most apps, you can delete an app's data by just deleting the app. With a few apps, like Messages, your photo library, and your email, you can delete individual files to save space. For most apps, however, just follow these steps.

1. From the iPhone Storage screen, tap on any app you wish to delete.

2. Tap "Delete App" to remove it. 

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You usually won't lose any accounts you've made with the app, but you will lose unique app data.  Steven John/Business Insider

On your iPhone's home screen, you can also hold a finger on an app icon and then tap the X icon that pops up to delete it. Or, if you're using iOS 13, tap and hold an app icon, select "Rearrange Apps," and then tap the X that pops up.

3. If you still want to use an app, just launch the App Store and reinstall the app you just deleted.

And that's that. Data gone, app restored.

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Steven John has been a freelance writer for more than a dozen years and has been a regular contributor to Business Insider since 2017. His work includes a focus on the tech world, covering companies including Apple, Microsoft, Meta, Google, and others. He also reviews restaurants, shares how-to cooking articles, and writes general interest pieces.Steven also writes for publications including Architectural Digest, The Daily Beast, Forbes, and more. In the past, he also wrote for New York Magazine, Mashed, U.S. News & World Report and other outlets. He runs his own outdoor lifestyle site, Dad Gear Review, and co-hosts the Fact Trekkers podcast with his son. He has had two novels published, Three A.M. and Outrider. He graduated from Emerson College with a degree in communications focused on filmmaking.He is an avid outdoorsman and can be frequently found in a kayak or on a mountain trail, often with his family along for the adventure.Expertise:Tech industryTech hardwareOutdoorsCookingRestaurantsDIYPopular articles:Microsoft: A history of the software giant co-founded by Bill Gates, its products and services, jobs, layoffs, and moreYouTube is a major entertainment force. Here's the platform's history, plus how to create a channel and upload videos.Inside the life and career of Bill Gates, the Microsoft co-founder, billionaire, and philanthropistTim Cook net worth: How the Apple leader earns and spends his moneyBecoming an Amazon seller is a simple process. Here's what's involved, plus how you make money and get paid.