iphone5cWhen Americans shop on their phones, they tend to do so on their iPhones and their Android phones, according to a new report from, 41st Parameter.

Internet Retailer has the scoop:

Nationally, 57% of U.S. mobile commerce transactions occur on a mobile device (smartphones and tablets) running Apple Inc.’s iOS mobile operating system and 43% occur on a mobile device running Google Inc.’s Android mobile operating system, according to a new study of 800,000 m-commerce transactions on hundreds of retailers’ mobile sites and apps. Online fraud prevention firm 41st Parameter conducted the geographic study of several hundred of its retailer clients, for the most part ignoring the less than 2% of transactions conducted on mobile devices running the Windows and BlackBerry mobile operating systems.

Do you shop on your phone? Which device do you use?