A cash back reward program is an incentive program operated by credit card companies through which a fixed a percentage of amount spent is paid back to the card holder.  This incentive is given to encourage use of the card and the card holder is given points, frequent flyer miles or a monetary amount i.e. cash back.

Usually three types of cash back credit cards are there like category bonus cash back cards that may even offer 5% cash back from revolving spending every quarter. Tiered cash back credit cards offer more cash back in certain spending to cardholders who spend more. The third type is simple cash back cards which is consider among the best cash back credit cards as  cardholders earn a flat percentage with every purchase.