greenback is a lifestyle mobile app developed by Startup Media LLC, available for iPhone users. The app aims to bring benefits to charities, consumers, and companies by offering an everyday savings membership. Users can access over 350,000 merchant offers and product discounts, making it easy to save money while supporting causes.

With greenback, users can access membership benefits on their mobile devices, choose from thousands of hotels for reservations at special rates, and enjoy money-saving offers and discounts at various shopping and dining locations. The app allows users to redeem offers in-store, by phone, or online, track savings on an interactive dashboard, and see funds raised for their chosen cause increase over time.