Macworld For one reason or another, app developers may discontinue offering their iPhone or iPad software through the App Store. Typically, you can continue to use apps that were removed from the store if the reason isn’t related to security. But what if you upgrade your iPhone or iPad, want to use the app on another device, or have your hardware stolen? In most cases, you should be able to launch the App Store, tap the person icon in the upper-right corner, and go to Apps > My Apps. Even though the app won’t appear when you search in the App Store, you can search in this view and re-download …