Square Register is a minimalist design created by American-based designer Tinkering Monkey. The design was conceived for the use of small-business owners in conjunction with the iPad’s Square credit card reader.
SQUARE: Credit Card Processing & Business Solutions | You not only get an app for your smart phone, good for craft show sales, but they will give you a free online store front with decent features. 2.75% for online or swiped card sales, more for manually entered transactions. Dongle sometimes needs to be reinserted but happy so far with their service.