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

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.

Can’t connect to the App Store to download apps on your iPhone or iPad? Is your device refusing to sign in? Or are you having problems downloading an app or an update to an app?

QUICK ANSWER To add apps to your Apple Watch, download them from the App Store on your device. You can also browse the App Store on your iPhone and purchase watch apps.

You'll have to go into your settings to trust non-App Store apps on an iPhone. Here's how to make your iPhone trust these apps so you can use them.