Square offers the best credit card reader for Android. Find out my other top recommendations below. Android devices have made significant technological advancements in recent years. Like iPhones, they ...

Square is a small unit about the size of a postage stamp that plugs into the headphone jack of various smartphones, media players and computers. Users swipe their cards into the device, and then sign ...

Apple has been a long time supporter of Project RED by selling special edition products that help the charity, but now you can help fight AIDS just by swiping credit cards on your iPhone. Project RED ...