life.
I repeat, opening up the multitasking window and swiping
apps off the screen isn't going to help your iPhone get
through the day.
That's according to Craig Federighi, the head of software
development at Apple.
Apple fan Caleb sent an email to CEO Tim Cook asking, "Do
you quit your iOS multitasking apps frequently and is this
necessary for battery life?" 9to5Mac has a copy of the email.
Federghi replied: "No and No. :-)"
The myth that closing unused apps can save battery life has
been long-running and pernicious. It's widely believed, and
has even been suggested by reputable publications as a tip.
That's led to the popular habit of swiping closed all of the
apps in the multitasking window until it's entirely empty.
The misconception has been debunked several times, but
former Apple technician and Martiancraft CEO Kyle Richter
wrote a great and detailed explanation earlier this month
about why closing unused apps could actually hurt your
phone's battery life.
Many people think that force-quitting these apps will at
the very least do no harm since “they aren’t running
anyways.” The logic of “…you might as well quit, just in
case” comes into play...
The very process of quitting an app will use up a
measurable amount of battery life. There are times when
the device may need those resources and it will quit the
app on your behalf, which will drain the battery in the
same fashion. However, modern smartphones have an
abundance of memory and you would be surprised how
often an app can just stay suspended forever. This is
doubly true for any app that you are frequently launching
and using, these apps in all likelihood will never need to
be closed and the repetitive exiting and relaunching can
have a very noticeable toll on your battery life.
Federghi obviously didn't go into the same level of detail as
Richter, but he clearly has a great grasp of how iOS works and
his word should be considered the final one on closing
unused apps.
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