OTOH if the elders of your family are not hacker tinkerer types, they're not going to install an alternate app store even if that was possible on iOS. So the ex

OTOH if the elders of your family are not hacker tinkerer types, they're not going to install an alternate app store even if that was possible on iOS. So the existence of an alternative wouldn't change their usage or your need of involvement at all. It just provides a way to run applications of my choice on my hardware to people who want that.