CardStar (Grad Circle)
Twitter: @mycardstar

Company Description:
CardStar enables consumers to easily store and retrieve digital loyalty, rewards and club cards on their mobile device while providing retailers and CPG companies a channel to stay connected to their most loyal customers. CardStar is a Boston-based, privately held software company developing mobile applications that perpetuate the use of loyalty cards and mobile coupons. The CardStar application consolidates membership and rewards cards on smartphones — letting consumers access scannable cards from within a single app and enabling merchants to tailor mobile deals and information to their customers. The company was founded in 2008 with offices in Boston, MA and Washington, DC.