Why the radical difference between iOS and macOS?

I love love love the iOS app. However, I’m currently glad I did a trial Pro subscription because VERY few of the options available on iOS are available on macOS. A number of other apps, such as App Crypt are able to access the screentime on both iOS and macOS. Is it possible to do this here? I don’t want to go with App Crypt, but it might be the most cost effective option. :(