Waste
Update:: still a 1-star review, as the iOS version only shares with the Mac version. There is not a stand-alone app for iOS.
Glitchy
The macOS Catalina version crashes with each save of the library, so consistently I save when I want to exit the program. Communication with the iOS scanner is glitchy - sometimes it connects, sometime not. A restart of both usually fixes that.
All in all, if I could get a refund I would.