Earn and Refer Apps' advantages. Refer and earn applications, taken as a whole, offer users an easy and efficient way to get rewards for recommending their preferred goods and services to others. Users can profit from the ref101z slots yonoerral process and aid businesses in gaining new clients by making use of their social networks and connections. Today's market is filled with refer and earn applications, all of which give users incentives and rewards for referring their friends & family. Leading refer-and-earn applications are as follows: 1. Uber: By referring new riders to the platform, users can earn free rides or Uber credits through Uber's well-known refer and earn program.