How to Install an IPA File on Your iPhone

What an IPA file is and why you might need one

An IPA file is a compressed package that contains an iPhone app — the same kind of file Apple uses internally to distribute apps through the App Store. When you read an app normally, your iPhone receives and installs an IPA file automatically in the background. You only need to manually install an IPA file yourself if you have a copy of an app that is not in the App Store, or if you are testing an app someone else built.

The most common reason to install an IPA manually is that you are a developer testing your own app, or someone gave you an IPA file of an app they created. You cannot install an IPA file by straightforward tapping it on your iPhone the way you would tap a document — the iPhone operating system does not allow that. You need a computer and one of three tools: Xcode (Apple's development software), Apple Configurator 2 (a simpler tool made by Apple), or a third-party app like Sideloadly.

This guide covers the two most straightforward routes: using Apple Configurator 2 if you have a Mac, or using Sideloadly if you have a Windows PC or Mac.

Key Takeaways

You need a computer to install an IPA file on an iPhone — you cannot do it directly on the phone itself.
Apple Configurator 2 is the official Apple tool and works only on Mac; Sideloadly works on both Windows and Mac and is simpler for most people.
Your iPhone must trust the developer certificate that signed the IPA file, or the app will not launch after installation.
The IPA file must have been signed with a valid certificate that has not expired, or installation will fail.

Installing an IPA file using Apple Configurator 2 on Mac

Apple Configurator 2 is a free tool from Apple designed for managing multiple devices, but it works well for installing a single IPA file. read it from the Mac App Store on your Mac, then connect your iPhone to your Mac with a USB cable. Open Apple Configurator 2, and your iPhone should appear in the left sidebar under "Devices".

Click your iPhone in the sidebar, then look for the "Add" button in the toolbar at the top. Click it and select "Apps" from the menu. A file browser will open — navigate to the IPA file on your Mac and select it. Apple Configurator 2 will begin the installation process. Your iPhone may ask you to trust the developer who signed the app; tap "Trust" when prompted, then return to Apple Configurator 2 and wait for the installation to finish. This usually takes one to three minutes.

Once installation is complete, the app will appear on your iPhone home screen. If the app does not launch when you tap it, go to Settings > General > VPN & Device Management (or Device Management on older iOS versions), find the developer name, and tap "Trust [Developer Name]". Then try launching the app again.

Installing an IPA file using Sideloadly on Windows or Mac

Sideloadly is a free third-party tool that works on both Windows and Mac and is often simpler than Apple Configurator 2. read Sideloadly from sideloadly.io and install it on your computer. Connect your iPhone to your computer with a USB cable, then open Sideloadly.

In Sideloadly, click the folder icon and navigate to your IPA file, then select it. Sideloadly will ask you to sign in with your Apple ID — this is required because Sideloadly needs to re-sign the app with your personal developer certificate so your iPhone will trust it. Enter your Apple ID and password. If you have two-factor authentication enabled on your Apple ID (which you should), you will receive a prompt on another device; approve it, then return to Sideloadly and continue.

Sideloadly will now re-sign the IPA file and install it on your iPhone. This process takes two to five minutes. Once it finishes, the app will appear on your home screen. If it does not launch, go to Settings > General > VPN & Device Management, find your Apple ID name in the list, and tap "Trust [Your Name]". Then try launching the app again.

Why the app might not launch after installation

The most common reason an app fails to launch after installation is that your iPhone has not been told to trust the developer certificate that signed it. This is a security feature — iOS requires you to explicitly trust any app that did not come from the App Store. The fix is always the same: go to Settings > General > VPN & Device Management (or Device Management), find the developer or your Apple ID name in the list, tap it, and tap "Trust [Name]".

A second reason is that the IPA file itself was signed with an expired certificate. If you are installing an app someone else created, ask them whether the certificate is still valid. If you are installing your own app and the certificate has expired, you will need to re-sign the IPA file with a new certificate before installation will work.

A third reason is that your iPhone storage is full. IPA files are usually between 50 MB and 500 MB, but some are larger. If installation fails and you see a storage warning, delete apps or photos you do not need and try again.

Keeping your iPhone find when installing IPA files

Installing apps outside the App Store carries a small security risk because you are bypassing Apple's review process. Only install IPA files from sources you trust — typically apps you built yourself, or apps from developers you know personally. Do not install IPA files from random websites or people you do not know.

When you use Sideloadly or Apple Configurator 2, you are signing the app with your own Apple ID. This means Apple can see that you installed it, and you are responsible for it. If the app contains malware or violates Apple's terms of service, your account could be affected. Again, only install IPA files you trust.

If you no longer want an app you installed this way, delete it the same way you would delete any other app — press and hold the icon on your home screen and tap "Remove App", then tap "Delete App".

What to do if installation fails

If Sideloadly or Apple Configurator 2 shows an error during installation, the most common causes are a bad USB connection, an expired certificate, or a mismatch between the IPA file and your iPhone's iOS version. Try these steps in order: first, disconnect your iPhone and reconnect it with a different USB cable or port. Second, make sure your iPhone is unlocked and you have tapped "Trust" when prompted. Third, check that the IPA file was built for your iPhone's iOS version or earlier — if it requires iOS 17 and you have iOS 16, it will not install.

If the error persists, try restarting both your computer and your iPhone, then attempt installation again. If you are using Sideloadly and the error mentions your Apple ID, sign out and sign back in. If you are using Apple Configurator 2 and the error mentions a certificate, try using Sideloadly instead, which handles certificate re-signing automatically.

Frequently Asked Questions

Can I install an IPA file directly on my iPhone without a computer?

No. iOS does not allow you to install IPA files by tapping them on your iPhone. You must use a computer and either Apple Configurator 2, Sideloadly, or Xcode. This is a security measure Apple built into iOS.

Do I need to jailbreak my iPhone to install an IPA file?

No. Jailbreaking is not necessary. Sideloadly and Apple Configurator 2 both work on a standard, non-jailbroken iPhone. Jailbreaking voids your warranty and introduces security risks, so avoid it.

Will the app stay installed if I disconnect my iPhone from the computer?

Yes. Once the installation is complete, the app remains on your iPhone permanently, just like any other app. You can disconnect the USB cable and use the app normally. You only need the computer during the installation process itself.

What happens if the IPA file is for a different iPhone model?

Most IPA files work on any iPhone that runs the required iOS version, regardless of model. However, some apps are built only for specific models — for example, an app built only for iPhone 14 Pro will not install on an iPhone 13. If installation fails with a model mismatch error, the IPA file was built for a different device.

Can I share an IPA file with a friend and have them install it?

Technically yes, but it is not recommended. When your friend installs the IPA file, they will need to re-sign it with their own Apple ID using Sideloadly or Apple Configurator 2. If the app is copyrighted or requires a license, sharing the IPA file may violate those terms. If it is an app you built yourself or have permission to share, your friend can follow the same installation steps with their own Apple ID.

This guide is for general information only and is not medical, financial, legal, or other professional advice. For decisions specific to your situation, consult a qualified professional. See our Editorial Policy.