The free Jachranka 2025 mobile app is a handy guide for participants of the conference: "Jachranka 2025. About lung diseases in practice," organized by the "Healthy Lungs" Association and the Department and Clinic of Internal Medicine, Pneumonology, and Allergology, Medical University of Warsaw. It contains a range of essential organizational information regarding the location, accommodation options, and travel. It allows participants to update the program on an ongoing basis and create their own personalized agenda.