How to locate 32 bit apps in iOS 13
Here is a possible solution. It is not as convenient as the “Settings > General > About > Applications” list (which does not exist anymore), but allows to determine all 32-bit (or otherwise incompatible) apps without launching all installed apps and check if they crash:


Open the “App Store” app and tap on the user profile icon:





Select “Purchased”:





Scroll through the app list. The incompatible ones have a grayed-out “Open” button: