On my iPhone 13, how can I see which apps are open?
Follow the first three steps from the section( how can I close all of the apps on iphone 13) to discover what apps are running on your iPhone 13. You will see every open app, whether it is the current app or one that is in the background when you swipe side to side. In this mode, the app's name and icon appear above the app's top-left corner.