I don't know, my grand parents (80+ years) get along well with Signal. We have been using it actively over the past years and they can text, call, videocall and

I don't know, my grand parents (80+ years) get along well with Signal. We have been using it actively over the past years and they can text, call, videocall and share pictures without issues. I am sure the UI can be improved, but it's not unusable at all.