An excellent case for StrongBox Safe, support the indie who did all the hardwork. This would save you, the end-user, from having to do the following:
Sideloading a self-compile app for Apple ecosphere often requires a DUNS ID by Apple App store which in essence will plunge you, the developer, into a yearly subscription.
Sure that one can do a TestApp, but that one-time DUNS ID requirement still remains.