Apple’s Federighi officially debunks idea of quitting iOS apps to improve performance, battery life | iLounge News

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Apple’s Federighi officially debunks idea of quitting iOS apps to improve performance, battery life

Apple’s Senior VP of Software Engineering, Craig Federighi, has officially debunked the longstanding myth that users should quit background iOS apps in order to improve performance or save battery life, 9to5Mac reports. A 9to5Mac reader emailed Apple CEO Tim Cook asking the company for an official stance on whether this was necessary. The message was passed on to Federighi who responded with an uncategorical “no.”

While Apple’s own support documents and various iOS presentations over the years have pretty clearly implied that force-quitting apps should not be necessary except in cases where apps become unresponsive, there has been a persistent myth for years that force-quitting apps somehow improves the performance or battery life on iOS devices, perhaps due to the way that multitasking works on traditional Windows and OS X-based computers, not to mention Android devices. Further, even Apple’s own stance has not been entirely consistent at the lower levels, with iLounge’s own editors and readers encountering Genius Bar staff in Apple Stores who have recommended closing apps to “improve performance.” However, since the multitasking frameworks in iOS exercise an almost draconian control over background processes, most apps are actually suspended when in the background, using no CPU or battery power at all. While there are exceptions to this rule, these are usually obvious, such as navigation apps that use the actual GPS hardware (as opposed to mere “geo-fencing” apps that trigger location-based alerts), Voice-over-IP apps, and apps that play or record audio in the background. In many cases the user should be well aware that these apps are running, and are likely actively using them in some way.

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