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 ...

Square is a long way from just offering a plug-in card reader dongle and there may be no better evidence of that with its fully revised Square Point of Sale app. This iOS and Android app enables ...

A new Square Reader appears to be on the horizon, capable of letting users tap to pay directly on the device itself. Block Inc, the payment company formerly known as Square, appears to be working on a ...