Square is available in two forms: as a card reader in the headphone jack (for iPad, iPhone or Android), or with the Square tablet stand (for iPad only). Both the card reader and the stand run with the Square Point of Sale app, available for free in the Apple app store and the Google Play store.
Square Card Reader:
The Square card reader plugs into the headphone jack of your device. It's available from Square's website as a standard card reader, an EMV chip and card reader, and an additional NFC payment reader (for on the go payments like Apple Pay). Click the links below for more information!
The Square Stand is a full stand for iPad, with an integrated card reader. It includes peripheral EMV chip and NFC reader with dock.