My colleague Anthony recently vented his frustration with YouTube's default handling of the 'Up Next' feature on the web. Autoplay in YouTube is one of the banes of my existence, too, but as Anthony states in his write-up, YouTube for iOS lacks a switch to disable auto-play videos.
Not anymore, though: the latest version of Google's native YouTube client for the iPhone, iPod touch and iPad includes an easily overlooked switch that lets you stop an endless stream of recommended videos from being spoon-fed down your throat with a single tap.
If you watch a lot of YouTube through your iPhone's cellular connection, you're wholeheartedly recommended to disable 'Up Next' on the iOS app, here's how.