This Bachelor thesis is dedicated to position of mTourism on the tourism market, it presents current trends and possible development in the future. The aim is to explore the market of mobile applications, their use in various areas of tourism with specific examples of applications and evaluate their significance. The first chapters of this thesis deal with the historical development of mobile devices, their use and the development of smartphone, operating systems for these devices, further mobile applications and their distribution via app stores. In later chapters this thesis deals with the current situation of mTourism, its development and services, the role of mobile applications in various fields of tourism and specific examples of thei...