Tap and hold or just drag the app from the App Library App Library > long press the app > tap Add to Home Screen. You can also search for apps from the App Library and add them to your home screen ...
Apps can now be locked and hidden in iOS 18 via long press > selecting Require Face ID (or Touch ID, or Passcode) > Hide App. Locked and hidden apps can be found in the App Library. Swipe the Home ...