@thor They aren't any more nerdy, except for Lagrange which isn't in the App Store and you have to use TestFlight, otherwise to the average person it's just Safari without lots of pictures.
Can't imagine how Proton is different from GMail if you're using an app — unless you have your 12178 contacts that you have accumulated over past 17 years and a complex system of filters already in place — but in this case you are that person whom "old ppl apps" are for😂
People don't get born with FB account.