doesn't safari also hav it's own engine?
It does, but Safari is not cross-platform only macOS and iOS. Firefox is on Windows, Linux (x86 and ARM variants), macOS, Android, and iOS.
doesn't safari also hav it's own engine?
It does, but Safari is not cross-platform only macOS and iOS. Firefox is on Windows, Linux (x86 and ARM variants), macOS, Android, and iOS.