The major difference for me is Apple builds applications which work with its own products and not other platforms. Can I use icloud on my Linux box? Nope, but I

The major difference for me is Apple builds applications which work with its own products and not other platforms. Can I use icloud on my Linux box? Nope, but I can use Dropbox. Granted, Dropbox comes with its own limitations, but when I'm looking for software, I want to make sure I'm not pigeon holing myself based on my OS.