My logical reason for not trying Android is because it looks to overblown with all those different launchers, multiple start screens, widgets and all this stuff. I like it simple.
My logical reason for not trying ios is because I don't feel like spending 600$ on a phone.
People heard that ms is bad and not cool, that's why they think WP has to be bad.
Most people also need stupid little games like those candy crush stuff because if their friends play it they need it too
Similar to misconceptions about Windows Phone, there are misconceptions about Android as well.
Android is not as difficult as people make it out to be and you aren't forced to try out the plethora of launchers.
Just pin your favorite apps to the homescreen, or pin the widgets, not very hard.
The point about iOS devices being overpriced is true but looking past that iOS or iPhone are not bad.
Plus the Lumia 1520 costs around $60k in my country, if you truly care about value for money get a Nexus or OnePlus One.
As far as apps on Windows Phone go, Candy Crush is just one of them. The Windows Phone Store also lacks a lot of quality 3D titles such as Shadowgun or Dead Trigger.
Plus users complain that the quality of graphics in games is better on Android and iOS as opposed to Windows Phone, an example would be Asphalt 8 which some reviewers say looks like a PS2 game on Windows Phone, I somewhat agree.
All OSes have something great about them and in the end it just depends on which OS offers the most features that users prefer. As far as apps go, I'll say this:
iOS often gets apps first and amazing apps that other platforms sometimes never get, due to the small number of iPhones optimization insures barely any crashes and apps often look their best on iOS.
Android apps have an okay, and sometimes great design but what they do have are apps that have the most functionality when compared to iOS and Windows Phone counterparts but sometimes a bit unstable because providing optimization for all kinds of hardware is different.
Windows Phone apps have a nice and clean design(mostly) however often lack behind in frequent updates, functionality and sometimes performance. There is a serious lack of apps on this platform which may not be apparent to everyone but nonetheless there is a serious lack of apps, and quality apps in general.
TL;DR Version:
iOS apps: most beautiful and stable
Android apps: most customizable and functional
Windows Phone: Clean UI but lacking a lot of functionality
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