Permanently blocking an app
How can I permanently block download an specific app from app store
iPhone 11, iOS 13
Question marked as
Please elaborate. If you want to stop your children to download certain app then you can set restrictions/parental control https://support.apple.com/en-ca/HT201304
if you just want to hide an app so it will not show in your purchases then you use these steps https://support.apple.com/en-ca/HT201322