The most basic product is the Square magnetic stripe reader, which can plug into a smartphone’s charging port or headphone jack to take credit card payments. Customers can get one of these for free ...

Editorial Note: Forbes Advisor may earn a commission on sales made from partner links on this page, but that doesn't affect our editors' opinions or evaluations. Accepting credit cards with a ...

Sold by Square, separately or packaged with software. First card reader free. Also works with most leading brands. Sells everything from full cash stations to mobile card readers. Sells a range of ...