I suggest a Proton contact app, with synchronization with the Proton account, and with the possibility of having the contacts appear in the default contact app on the Android smartphone.
All encrypted, of course.
That's the only reason I haven't switched to Proton yet. Once contacts can be synchronized with the phone's address book, there's nothing to stop me from switching COMPLETELY to Proton.
I suggest a Proton contact app, with synchronization with the Proton account, and with the possibility of having the contacts appear in the default contact app on the Android smartphone.
All encrypted, of course.
That's the only reason I haven't switched to Proton yet. Once contacts can be synchronized with the phone's address book, there's nothing to stop me from switching COMPLETELY to Proton.