Time management is a skill that is known to be very popular these days. It is implied by the fact that generally people, first of all adults, are responsible for many things every day. Not only do they have to work, but also spend time with family and, if possible, improve for instance hobbies. Consequently, it is important to organize our time in such way that it would not be wasted. In order to reach that it is recommended to use for example time tracking apps.