Modern advanced technologies for businesses to earn more are becoming one of the most important factors in business development. One of these technologies is the mobile application. This is software that is specifically designed to match the functionality of gadgets. The application can be used in any type of commercial activity, be it an online shop, service, entertainment, online courses, restaurant, beauty salon, gym, delivery of ready-to-eat food and many more. With a mobile app, you can reduce your costs and increase your profits, simplify access to your products and services, increase customer loyalty, etc.