What is this for ?
The people who develop Apps regularly make updates to give the user improvements to the App, or fixes to problems that they may have found. Read this article to find out more, and how to update your Apps.
1. You will know that you have updates waiting by the little number notification on the App store app. In this example, there are 6 available updates.
2. Open the App store app and tap on the Updates category. Then tap Update All
3. Enter your Apple ID Password
The following video demonstrates this feature