One Square mobile application: free. The credit card reader to go with it: free. The technology to process MasterCard, Visa, American Express and Discover cards on a smart phone or iPad: priceless.

Mobile payment startup Square has updated its Register app with several new features. Both the iPhone and iPad versions of the app can now record and track payments, including checks and gift cards.

SAN FRANCISCO--(BUSINESS WIRE)--Today, Square released its Growth of Mobile and Conversational Commerce Report, revealing the opportunities and challenges businesses face as they expand into new ...

Among those quickest to embrace the funny, square-shaped credit card readers poking out from the top of smartphones or iPads has been small restaurateurs, food truck operators and other food ...

Back in August, Square partnered with Starbucks to bring mobile payments to the coffee giant’s thousands of stores nationwide. Starbucks said that Square would be integrated into 7,000 of its stores ...

A tiny phone attachment is helping credit cards become a truly universal currency. The Square mobile reader allows anyone with a smart phone, iPod, or iPad to accept plastic anywhere. Just plug in the ...

Starbucks' $25 million investment in Square says a lot about the mobile payment provider's appeal to larger merchants — but the coffee chain's decision to leave out some of Square's technology also ...

Mobile payments provider Square has reached its third market, going live in Japan today. The launch – in partnership with Sumitomo Mitsui Card Corporation – marks Square's first spread outside of ...

The Square payment processing system is a good option if you’re looking for a simple app and service; the card reader is poorly designed, though, and inventory features are available only on iPads.

T-Mobile is unveiling a promotion with mobile payments company Square this week. Basically, T-Mobile is offering its business users an upgrade plan where they can get a 4G Pro smartphone, and an ...

If you hate doing math and you run a small business then surely you've looked longingly at mobile credit card systems like Square's longingly. No handling of cash certainly would make life easier, but ...