While businesses can grow their customer base and brand awareness in an economical way, users can get rewards for sharing their favorite apps. Refer and earn sata kegapps are widely available in different categories, and each one provides special incentives & rewards for referring others. The following are some of the top refer & earn apps to check out: 1. Introducing Ibotta, a well-known cashback app that pays users for referring friends and shopping at participating stores.