Closing or closing an app on iOS is, according to Apple, at least never really necessary. Nevertheless, some like to keep a tidy multitasking view. And let's face it, there are times when an app must be forced to shut down because it just stops working.
Without a home button on modern iPhones like the ($ 735 on Amazon) there are you need This is how you get around when upgrading from an older iPhone. Closing an app by force requires one of the gestures you need to know.and iPhone XR
To forcibly close an app, swipe up from the bottom of the screen to bring up the multitasking view. Then just swipe! You do not have to wait long for an app card. You can drag one, two or three cards up at a time – just use multiple fingers.
Originally published on December 20, 2017.
Update dated December 3, 2018 : Updates for iPhone XS and iPhone XR.