The chosen mobile app tech stack will largely determine whether your mobile application will be scalable, secure, maintainable, and perform well. It will also directly impact your budget and time-to-market. A wrong technology can set your business back by months, whereas a well-chosen tech stack gives a competitive advantage and helps it grow. However, it's important to note that not only technologies play an important role in the app development, but also the specialists with whom you cooperate and who surely know how to use the chosen technologies.