Applications that pay users for referrals have grown in popularity as a way for people to recommend goods and services to their social network and earn extra mmicrogaming slots listoney. In order for these apps to work, users must first create a unique referral code, which can be shared with prospective clients. The original user gets a commission or reward when a new user signs up using this referral code. These apps cover a wide range of sectors, such as travel, finance, e-commerce, and more.