13 Ways To Stop Your iPhone From Losing Charge

4. Background App Refresh

Image: iOS7 | Flickr - Photo Sharing!Kārlis Dambrāns Attribution 2.0 Generic   /  CC BY 2.0
Image: iOS7 | Flickr – Photo Sharing!Kārlis Dambrāns Attribution 2.0 Generic / CC BY 2.0

This is another one of those hidden apps that most people are unaware off. You can turn it off for one particular app or the whole bunch.