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Does closing apps on your iPhone save battery life? The surprising answer is no – here's why
Mythbuster: It's satisfying, but not particularly effective
And there's a good reason for that – iOS has long been designed to make sure background apps barely touch your iPhone's RAM or CPU. A few years ago, Apple's own Craig Federighi (Senior vice president of Software Engineering) even weighed in on the topic to put this myth to bed. According to MacRumors report from 2016, a reader emailed Tim Cook directly for a definitive answer to the app closure question and claimed to have received a response Federighi.
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