In fact, tech experts at 9to5Mac say that Apple's Craig Federighi, senior vice president of Software Engineering who reports to CEO Tim Cook, told them: "Apps that do affect battery life are only things that actually do perform background operations, things like GPS navigation, background music playback and similar.
Apple issues iPhone battery warning over common damaging mistake Apple phone users have been warned to stop closing their apps - or risk damaging their battery.
The reason he says never to close apps in the background unless they're not working is because these apps are not actually "running in background" and instead they are simply "suspended".
In the warning, the iPhone user stresses that it's a "common belief that you should close apps running in background to improve performance and save battery life.
The iPhone guru explains that the only time you should close apps in the background is if it's "misbehaving" or if it's "using energy (as per Settings/Battery) and you don't need it at the present time".
