Which is the best company to have an iphone?

Out of Verizon, Sprint, and AT&T. I have a little ugly phone from Metro, so I'd like to do a huge upgrade. So could you guys help and let me know which is the best, out of price, dependability, call quality, and service? And I want a family plan, me and another person. Any feedback would do, thanks in advance!

Sprint is the only company with unlimited data and AT&T charges just to have an iphone

Sprint, only because you get unlimited space to web browse in my area its fast.

Apple

Apple iphone5 is lighter, thinner and faster

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