Tech Reference

How to make your iPhone 'trust' an enterprise or non-App Store app so you can use it

Written by Steven John edited by John Lynch
iPhone X
You'll have to go into your settings to trust third-party, non-App Store apps on an iPhone. Hollis Johnson
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When you download an app from the Apple App Store, your iPhone won't think twice about trusting the app. Once you use your password, Touch ID, or Face ID, the phone will let you install, open, and use the app, because anything available for download from the App Store has already been thoroughly vetted by Apple.

If you want to use an app from any source other than the App Store, however, your phone is programmed not to trust it, and will not allow you to use it until you manually trust the app after a multistep process.

These apps might come from your company that wants employees to use proprietary software, or from gaming or media companies not affiliated with Apple. Or perhaps you have agreed to test out an app for a friend who just developed it.

Whatever your reason for trusting an app on your iPhone, as long as you're confident it's not a Trojan horse that will compromise and corrupt your phone, the process is pretty easy.

How to trust an app on an iPhone

1. Download the app, as long as you think you can trust it.

2. A message will pop up calling the app's developer "Untrusted" and saying that the app cannot be used on your iPhone. Hit "Cancel" to clear the message.

3. Launch the Settings app and go to the "General" tab.

4. Scroll to and tap the "Profiles" tab, which might be called "Device Management."

File
Navigate to the Profiles tab in your General settings.  Steven John/Business Insider

5. Under a section titled "ENTERPRISE APP" you will see the untrusted app in question. Tap it.

6. On the next page, hit the words "Trust Name of App.."

7. Confirm your choice, and if prompted hit the words "Verify App" to confirm your confirmation.

You can now go back to the home screen where the app icon is displayed and launch it just as you would with any app downloaded from the App Store.

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Steven John
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.