Because of the white trim around the icon, which shows that it’s not actually the proper shape for an iOS app icon.
Sorry, that should be kind of obvious just from looking at it.
Which is closest to Apollo?
I don’t really like Memmy, I can’t get into Mlem because the beta is closed, right now I’m on Limbo and it’s alright.
I see your point, but that’s not really helpful discourse.