Intentionally how? Mobile Safari has pretty broad support for PWAs: https://pwascore.com
It does not. It doesn't support the installprompt event and hides the "add to home screen" behind 4 actions/clicks to make sure the users don't easily install PWAs.
alt Hacker News
It does not. It doesn't support the installprompt event and hides the "add to home screen" behind 4 actions/clicks to make sure the users don't easily install PWAs.