Simplify the following text for a Grade 7 native English-speaking person.
Original: Unlike the apps that come standard on the iPhone ( such as the YouTube app , which Apple added through an iOS software upgrade months before the launch of the App Store ) , apps downloaded from the App Store can be removed by the user at a future date .
Simplified: The App Store is a store that is run by Apple Inc. where people can buy software known as `` apps '' for their iPhone or iPod Touch .