You can add apps to your Apple Watch directly through the Watch's App Store, or through your iPhone's Watch app.

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.

Sideload apps: Follow developer instructions to add to your phone. Not common. Risky: Jailbreak an iOS device and load apps ...

Apple is officially letting third-party app stores for iPhones in the EU, starting with iOS 17.4. Developers can create alternative app stores for iPhones and offer different apps and services outside ...