Sideloading Apps Maybe the simplest way to add apps to your iPhone without using the App Store is by using a technique called sideloading.

You can easily add an iTunes gift card to your iPhone to purchase content from the App Store or other Apple apps. Here's how to do it.

This step by step tutorial with images covers how to add an iTunes or App Store gift card to iPhone or iPad. Credit can be used for either store.

However, Apple lets you change your App Store login on the iPhone, and you might want to do this to download apps connected to that ID or make changes to your account.