My Mom (70s, retired special ed teacher) got the family on Signal and it's a breeze to do video calls or send pictures/messages to people. They occasionally ha

My Mom (70s, retired special ed teacher) got the family on Signal and it's a breeze to do video calls or send pictures/messages to people. They occasionally have a donation popup but it's one of the easiest and least intrusive programs I've ever used, and it just works.