For more than a year, Square has been on the leading edge of a revolution in commerce with its app that let merchants use iOS devices as credit card readers. On Monday, it expanded its efforts with a ...

Accept credit cards on your phone using mobile readers and apps from Square, PayPal, or Chase. Download the app, connect a ...

Learn about free and cheap iPhone credit card readers and explore technologies like tap to pay that enable you to accept payments without a card reader. In my evaluation, here are the best free and ...