This system of open intent handling (for purposes other than sharing to social-media-network-du-jour) is decent on Android devices, but is all but non-existent

This system of open intent handling (for purposes other than sharing to social-media-network-du-jour) is decent on Android devices, but is all but non-existent on iOS devices. In other words: no, that solution is not currently the better option on iOS given the environment.