I've owned a HTC Desire (haha, then I decided I'm never gonna use a HTC device again!
), then LG Optimus 3D (bad phone, bad battery life,..), then Samsung Galaxy Nexus (bad battery life, too. performance was okay) - that were my android phones and because of that crap I've changed to iOS.
iPhone 4 was good, iPhone 4s was good, iPhone 5 was good - iPhone 5s is even better for me.
So yeah, I love iOS and the iPhone 5s and I think
it is the best phone I've ever owned.