Reports indicate that the company is working with other retailers on a separate mobile payment system due next year.
Payments were accepted at Apple Pay's launch on Monday, but appear to have been blocked by the retailer.
Amazon Wallet is just the latest service looking to help you pay for things on the go. But where does it fit in with the other major players looking to manage your digital wallet?
Amazon is preparing to do battle with Google for smartphone wallet app supremacy.
From sending money without a fee and managing your gift cards, Google Wallet looks like it may be able to take on PayPal after all.
It's just another one of the many apps making it easier to impulsively buy food with just a user account.
It's an Android app update party up in here!
Oh, there were a lot of new hardware products and services, too.
Remember when the carriers wouldn't allow Google Wallet on their phones? Since Google has already set up a payments infrastructure, it may as well use it for something.
Who needs physical cards when you can just tap your phone?