Popular MechanicsSep 19, 2017Why Some Apps Won't Work on iOS 11verified_publisherPopular Mechanics - Eric LimerApps that don't update to 64-bit are getting left behind. The new iOS 11 is coming out today, and if you update, you might notice that some of your apps no longer work. If you haven't updated yet, you can find out if you'll lose any of your current slate of applications when you do. Because iOS 11 …