Ditto is good because there is a decade of first class work on the UI/UX.  Relays dont scale, and have never scaled.  But ditto uses a hybrid architecture that has been proven and much of which stands the test of time.  



https://image.nostr.build/91b4d65ea09b52f83fcdaef89c40da507e13ec310bf9a865e3ff54b492dd92a1.jpg