If user has made any app hidden and set Face ID to open it; if user removes the requirement of Face ID to open the app, user will not able to see the app again on home screen. However, app is still on the device and can be found by searching the app name.
Hello @Devrajsin__3010, thank you for your post. For general help with iOS 18, please post in the Apple Support Community. The Apple Developer Forums are for questions about APIs and features intended specifically for developers.