You want hardware to swipe a card, that's compatible with tablets and smart phones, but isn't a dongle (https://squareup.com/reader https://squareup.com/reader)

You want hardware to swipe a card, that's compatible with tablets and smart phones, but isn't a dongle (https://squareup.com/reader https://squareup.com/reader)? Or, I suppose, their POS stand (https://squareup.com/stand https://squareup.com/stand)? Do you just not want to use their software? You want to use the hardware with your own app on a tablet or phone?