I would argue that Amazon and Google are better because I can use their payment system on things other than my phone as well. Whenever I'm on a new site that's

I would argue that Amazon and Google are better because I can use their payment system on things other than my phone as well. Whenever I'm on a new site that's selling something, I'm very relieved when I see the amazon or google checkout logo. Other than having to sign up once (which there's a good chance you already have if you've ever bought anything on amazon, and google wallet is spreading more), I don't see how apple's system is better at all, let alone "far superior".