Open the App Library
Find the hidden app
Press and hold the app icon
Tap Delete App
Tap Delete to confirm
Open Settings
Tap Screen Time
Tap Content & Privacy Restrictions
Tap Allowed Apps
Turn off any app you want hidden or restricted
Open Settings
Tap Home Screen
Set newly downloaded apps to App Library Only if needed
Open the App Store
Tap your profile icon
Tap Purchased
Find the app
Swipe left and tap Hide if needed
Remove the app from any Home Screen folder if needed
Restart the iPhone if the app still appears hidden or stuck