I know precisely what you’re referring to. I used to call it the “Cocoa Smell” when I’d come across an application designed for OS X’s native APIs and not some

I know precisely what you’re referring to. I used to call it the “Cocoa Smell” when I’d come across an application designed for OS X’s native APIs and not some port of something more or less haphazard. I suppose now they’re more varied (SwiftUI or whatever the technology of the day may be), but there’s a distinct “this is native” vibe from certain alternative applications that doesn’t emanate from others.