Cellfire is a free service that allows shoppers to easily load Cellfire coupons directly on their grocery store cards. Enjoy big savings with Cellfire grocery coupons at over 3,500 grocery store locations. Save grocery coupons right to your grocery savings card. The grocery coupon discounts will be automatically applied at checkout! The Cellfire program works at over 25 US grocers including Kroger, ShopRite and many more.