Tapjoy is a mobile advertising and app monetization platform that allows mobile app users to select ads to engage with in exchange for virtual rewards and premium content. The company was founded in 2007 and is headquartered in San Francisco, California. Tapjoy's platform is used by over 20,000 mobile apps and reaches over 600 million monthly active users. The company has raised over $116 million in funding and has offices in various locations around the world.