American Express and Discover both offer a rewarding range of credit cards — with some big differences that set them apart. American Express has a broad catalog, including cash-back cards with some of the highest earning rates available today, premium travel rewards cards, and co-branded cards with multiple airlines and hotels. Discover, on the other hand, is more streamlined and focused on no annual fee cards with solid cash-back earnings. No matter your credit-building or rewards goals, there’s likely ...