Square is a great free app. It’s actually available for the iPhone, iPad and Android devices. Developed by Twitter’s CEO and co-founder Jack Dorsey. Square enables you to accept credit cards with just your phone or tablet. The app is free. The card reader is free. The fee is only 2.75% per swipe, with no monthly fees or commitments and now it’s even better. Find out what’s new in this update below: What’s New In Version 2.0? Updates to the iPad version allow you to arrange your items into shelves, for easier browsing and faster checkout. Again staying with the iPad version, there are small, medium, large, vanilla, strawberry –…