Wait for AltStore to install. If prompted on the device, go to Settings → General → Device Management (or Profiles & Device Management) and trust the developer profile associated with your Apple ID.

You must install the AltStore app on your iPhone or iPad first.

Connect Your Device:

Install AltStore:

Enter Credentials:

Trust the Developer:

In AltStore, navigate to the folder where your .ipa is saved.

Tap the .ipa file.

AltStore will ask for your Apple ID password again (to sign the app).

Wait for the installation to complete. The app will appear on your home screen.

Connect and Trust
Connect your iPhone/iPad to the computer via USB. Unlock your device and tap "Trust This Computer".

Install AltStore to your device

Trust AltStore on your device
After installation, on your iPhone/iPad: Go to Settings → General → VPN & Device Management → tap your Apple ID email → Trust "AltStore".

If the IPA file is very large or your Wi-Fi is unstable, you can do this via cable.

AltStore lets you sideload IPA files onto an iPhone or iPad using your Apple ID. It’s free, works on non-jailbroken devices, and apps last 7 days before needing a refresh.

You can install IPAs either directly from your device (after initial setup) or via your computer.

For Windows:

For Mac:

To Install Ipa File Using Altstore: How