I ran various custom ROM’s for years on a FairPhone3+. It was great right up until the day all my banking apps stopped working. Banking app incompatibility is NOT the fault of GrapheneOS (or any other custom ROM) dev’s at all . . . but IMO this is the real problem today with any alternative mobile OS. Privacy vs. banking convenience. And yes, YMMV as some of them do work . . and mine did as well . . right up until the day they didn’t.
I ran various custom ROM’s for years on a FairPhone3+. It was great right up until the day all my banking apps stopped working. Banking app incompatibility is NOT the fault of GrapheneOS (or any other custom ROM) dev’s at all . . . but IMO this is the real problem today with any alternative mobile OS. Privacy vs. banking convenience. And yes, YMMV as some of them do work . . and mine did as well . . right up until the day they didn’t.