If you're running iOS 7 on your iPhone or iPad, you no longer have to manually check for app updates and trigger the installs. iOS can take care of it for you with absolutely no effort on your part. Some of us, however, prefer controlling our updates and may not care for automatic app updates.
Fortunately there's a way to turn them off, here's how:
That's it. App updates will no longer download and install on their own and will instead wait for you to tap update just like you've always done under previous versions of iOS 6.