Ibotta is a mobile app that allows users to earn cash back on purchases made at participating retailers. The app was founded in 2011 and has since grown to become one of the most popular shopping apps in the United States. Ibotta partners with over 1,500 retailers, including Walmart, Target, and Amazon, to offer users cash back on their purchases. The company has raised over $85 million in funding and has been recognized as one of the fastest-growing companies in the country by Inc. Magazine.