Quick suggestion as I’ve now used up my 25Km and my husband will shortly too and we’re currently weighing up between subscribing to Swift and/or other apps.
One of Zwift’s competitor’s (CVT naming no names) has a nice avatar switch at the login screen which saves you having to enter long email addresses and passwords. Zwift suggests “change user” but really it’s enter everything all over again.
Just a thought… every little helps.