Pretty much, Kosmos and Atmosphere are the same thing. Kosmos is just like an all-in-one pack with homebrew and stuff.I am on the latest Kosmos, before that I was on stock Atmosphere (it was the latest version). On neither of them has my PS4 controller been able to connect (The prompt to connect never came up on my switch). Does that mean that my problem has been due to using the latest Atmosphere/Kosmos? Thanks.