For those new to this powerful online merchandising concept, affiliate programs work as intermediaries between the affiliate marketers who will sell products and services and the merchant who provides those products and services as well as the affiliates programs. Merchants work with affiliates to help get their products or services to their consumers.
If you have a good idea for an app, and the skills to create it, then producing your own premium app can be profitable. However, with so many free apps available, it may be hard to convince people to pay. If you want to go down the premium app route, consider having a basic free version to encourage people to download the app in the first place. You can then provide the option of upgrading to a premium plan once users realize how useful the app is.