If you’re interested in something you can see use the Get an estimate tool and it will provide you with that rate when selecting Cracked screen and back glass damage. That tool is relatively new and doesn’t seem to list the 12 and 13 for whatever reason even though they get the same repair options.

You can also see the “option” in the AppleCare+ terms and conditions with the keyword being and.

> For an iPhone with both screen and back glass damage, but no additional damage beyond the screen and back glass damage, including, but not limited to, a bent or dented enclosure, that would prevent Apple from replacing the screen and back glass on the Covered Device, separate Screen-Only and Back Glass-Only service fees will apply to the ADH Service.

The price isn’t listed there but it is 58$. Effectively 29$ + 29$.