Most users don't want to tweak anything related to their phones, tablets, computers, watches. If everything your app does, isn't reachable within 1-3 clicks/swipes/presses, then forget it.
Someone suggested using two versions KeePass files...one for shared passwords, one for not shared passwords. This is NOT a substitute for clicking Share Password and literally not doing anything else.
Someone suggested storing all your passwords in the browser. This is NOT a substitute for having all of your passwords available at the app level on your iPhone. This is NOT a substitute for sharing passwords with your whole family.
UI/UX is EVERYTHING