Directly targeted at retailers, merchants and small business owners, this new iPad app is aimed at replacing the old clunky registers and point-of-sale (POS) systems with the infinitely more flexible ...

Many come with built-in payment processing services, too. After independently reviewing more than 20 POS systems, we chose Square as our top overall pick. Square tops our list of best POS systems ...

which is dominated by Square, Clover, and PayPal. As online sales began to slow across the retail industry last year, Shopify began to invest more in its POS offerings, attempting to attract ...