Can't speak for Mamutarka, but I'll say that I still prefer the iPhone 4S's size in my hand compared to my Nexus 4. Yes, I am that lone weirdo who prefers the smaller screen size. I'm getting close to swapping my main sim over to the Nexus 4 but when I'm walking around it really is much more convenient to pull my iPhone out of my pocket and tap out a quick reply to a text message or email with one than it is to pull out the Nexus 4 and awkwardly try to use the keyboard or just stop completely and use it in two hands. For some reason the screen size just doesn't do it for me.
Although both devices work "out of the box" I'll admit that I still feel like I liked the default configuration of my iPhone better than the default configuration of the Nexus 4. Yeah, in the end the Nexus 4 can be tweaked to hell but a lot of people just don't want to mess with settings. I like that notifications stay on the lock screen on the iPhone, but I know that you can accomplish something similar through lock screen apps on the Nexus 4. I firmly believe most users don't want to mess with their phone, though. Most people probably will not go that far beyond whatever settings the phone came with. For a lot of those people iOS is appealing.