Square Reader for magstripe works with any Square point-of-sale app so you can take payments on your smartphone or tablet—at your counter or on-the-go. Accept all major credit and debit cards and pay one simple rate with no hidden fees and no long-term contracts required. Get your money as soon as the next business day. Download the Square Point of Sale app for free, create an account, and start taking payments anywhere. For Use With: Most Apple and Android Devices; OEM/Compatible: OEM; Accessory Type: Credit Card Reader; Connector/Port/Interface: USB-C.