Generation change contributes to the emergence of new consumer trends, defined by global economy researchers as medium-term trends. One of them is the modification of the existing traditional model of ownership and use of cars. The sharing economy is based on the sharing of resources (e.g. cars) by owners to external entities or individual users. Mobility-as-a-Service has become the answer to new mobility needs. In the future, its development will affect the creation of new business models, both by existing and new market players, not only from the automotive industry but also IT sector, especially its part dealing with the creation of mobile applications. This paper presents MaaS characteristics and the use of this kind of services in mobility in the city.