Selecting the apps that fit your interests and skill set and investing the time and energy required to get results are the keys to using these to make money. Points-based systemrummyls are one of the most popular ways that revenue-generating apps compensate their users. After completing various tasks or activities within the app, users can exchange their points for cash, gift cards, or other rewards. Also, certain apps provide cash back or rebates in exchange for purchases made through the app or engagement in specific activities.