Curve lets you connect all of your debit and credit cards together in the Curve App, and then spend on any card you choose at any time using the Curve Smart Card.
Plus, if you Register as a Curve Beta User, you’ll receive an additional 1% cash back on all of your purchases for the first 6 months (on top of the rewards that you already earn on your other cards). [Read More] Curve: Connect All Your Cards in One Smart Card + Join Beta for Extra 1% Cash Back