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No one, possibly short of an iOS systems engineer armed with Apple’s internal diagnostic and debugging tools, would be able to outguess iOS itself on issues like memory usage, power draw, and CPU throttling. Apple has put a great deal of effort into ensuring that iOS knows the best ways to manage the limited hardware resources within your iPhone or iPad. Why would these behaviors reduce battery life? Remember, iOS is a modern operating system that’s built on top of Apple’s proprietary hardware. Force-Quitting iOS Apps and Restarting Hurts Battery Life ![]() Because force-quitting apps and restarting or shutting down devices are necessary only to fix unanticipated problems, there are two notable downsides to engaging in such behavior as a matter of habit: reduced battery life and wasted time. ![]() And that’s a desktop Mac-my MacBook Air spends every moment of its unused time in sleep.īack to iOS. I only shut the iMac down when I travel for more than a few days because it uses so little power in sleep that starting it up from scratch might consume more (I tested it a while back, but there are a lot of variables). FORCE QUIT ALL APPS APPLE WATCH MACIn normal usage, I quit Mac apps when I can’t imagine when I would next use them, and I restart when Apple releases a macOS or security update. The uptime command in Terminal reports that my 27-inch iMac has been running for (only) 12 days, and I have 20 apps open in the Dock, with over 700 processes showing in Activity Monitor. Neither of those behaviors is nearly as necessary as they used to be. And yes, in the old days on the Mac, it made sense to shut down every night to save power and to ensure that the Mac came up in a clean state the next morning. FORCE QUIT ALL APPS APPLE WATCH FREEYes, in the old days on the Mac, you wanted to quit inactive apps to free up memory and CPU power. Happily, he was.) I’ve even heard of people shutting down their iPads at the end of the day, much as they might have shut off a Macintosh SE/30 in 1990. (Having to watch this nervous tic behavior for the first 20 minutes of the flight drove me batty, so I asked him if he would be interested in a tip that would improve his iPhone’s battery life and performance. I once sat next to a guy on an airplane who would open an app like Messages, look at it briefly, and then force-quit it as soon as he was done reading the message. Indeed, in Settings > General, the command is Shut Down.) If your iOS device is frozen, you can also force-restart it with a variety of button incantations that are more akin to pressing and holding a Mac’s power button for 5 seconds to power it down abruptly.įorce-quit iOS apps or restart iOS devices only to fix problems!Īlthough Apple doesn’t use the “force-quit” terminology, the company’s support documentation is crystal clear about how this action is necessary only when apps aren’t responding.ĭespite warnings like this, and for reasons I don’t entirely understand, a surprisingly large number of people have gotten into the habit of force-quitting iOS apps. ( Apple’s documentation calls the process of pressing and holding the side or top button until the power-off slider appears “restarting,” even though it’s more like the Mac’s Shut Down command, given that it involves a power cycle. The Restart/Shut Down combination from macOS also made its way to iOS, though iOS muddles the terminology. Like so many other iOS gestures, that isn’t something you’d be likely to discover on your own, though Apple does document it. You can force-quit a frozen iOS app by swiping up on its thumbnail in the App Switcher. So Apple hid these troubleshooting features. iOS apps can still freeze or otherwise freak out such that they can’t be used again until the user force-quits them, and iOS devices can still get into states where a restart is the only solution. However, those capabilities had to remain accessible somehow. Two of the most obvious were quitting apps and restarting/shutting down the device. When Apple’s engineers designed iOS, they took the opportunity to pare away behaviors and usage patterns that were unnecessary in a modern operating system running on tightly controlled hardware. Why You Shouldn’t Make a Habit of Force-Quitting iOS Apps or Restarting iOS Devices #1619: Stage Manager first impressions, Live Text in Preview redux, SMS 2FA failure fix, moving large folders with ChronoSync.#1620: OS updates, AssistiveTouch for iOS shortcut palette, Photos album sharing bug.#1621: Apple Q3 2022 financials, Slack's new free plan restrictions, which OS features do you use?.#1622: OS feature survey results, Continuity Camera webcam preview, OWC miniStack STX. FORCE QUIT ALL APPS APPLE WATCH HOW TO#1623: How to turn off YouTube's PiP, use AirPlay to Mac, and securely erase Mac drives. ![]()
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