You are right, here is an interesting Quora post summing up the competitors: http://www.quora.com/Square-product/Who-are-some-competitors-to-Square http://www.q

You are right, here is an interesting Quora post summing up the competitors: http://www.quora.com/Square-product/Who-are-some-competitors-to-Square http://www.quora.com/Square-product/Who-are-some-competitors... Answer-wiki pasted in for convenience: «US only: - Paypal Here ( https://www.paypal.com/webapps/mpp/credit-card-reader https://www.paypal.com/webapps/mpp/credit-card-reader , US) - Intuit Go Payment (http://gopayment.com/ http://gopayment.com/, US) - Payware Mobile by Verifone ( http://www.paywaremobile.com/en http://www.paywaremobile.com/en , US) - Phone Swipe (http://www.phoneswipe.com/ http://www.phoneswipe.com/, US) Europe only: - iZettle (http://izettle.com/ http://izettle.com/ , Sweden, chipcard reader) - Cellphony (http://www.cellfony.com/ http://www.cellfony.com/, FR, still in beta) - iPay by PrivatBank (http://itunes.apple.com/us/app/ipay/id307368715?mt=8 http://itunes.apple.com/us/app/ipay/id307368715?mt=8 , Ukrainia)»