4Guest OLD is the app through which you can receive your itinerary in digital format from the travel agency. By simply entering a code, you will have access to the complete travel program with the points of interest indicated, the documents, the description of all the stages with timetables, info and map. It will be possible to have direct contact with any travel companions through the integrated chat, including photos and real-time notifications. Not to be underestimated is the innovative mo