Long-time Groupon (GRPN) critic Rocky Agrawal, who reported last week the company plans to offer...

|By:, SA News Editor

Long-time Groupon (GRPN) critic Rocky Agrawal, who reported last week the company plans to offer a credit-card reader that will compete with Square, thinks Square has reason to be "very worried" after trying out Groupon's solution at an ice cream shop. Thanks to its lower fees, Groupon's solution is much cheaper for high-volume customers. However, Square has a comprehensive, time-tested platform, and an ability to reimburse merchants at an unmatched speed.