The article deals with the problem of navigating indoors in conditions of satellite signal unavailability. In this case, alternative sources of positioning are used to determine the location of the objects. Use for navigation tasks inside the premises of the smartphone allows you to get comprehensive data on its operation. To solve the problem of navigation, the most important elements of the data sets is the unique identifier of the monitored device and the relative power level of the signal received from it.
The peculiarities of development of software on the platform of mobile operating systems, for informative support of tourists are analyzed. The proposed recommendation system is based on the use of the functionality of GPS-modules of the smartphone in order to take into account the current location of the user, as well as the actual distances to the target objects of the route. This, in turn, is an informational and technological basis for the implementation of the functions of optimizing excursion routes.