TUI Belgium lappli de voyage is a travel and navigation application available for iPhone. With this app, users can have all their vacation information in one place. The app allows users to explore various destinations, find their next trip, and add their reservations. It also provides useful information about hotels and destinations, including practical tips and a luggage checklist. Users can check-in online and use their mobile boarding pass for most flights. The app offers 24/7 chat support during vacations and provides details about airport transfers. Additionally, users can browse TUI's vacation offers, flights, and TUI experiences with Musement. However, it's important to note that certain types of vacations, such as cruises, ski vacations, city trips, group trips, and TUI tours, cannot be added to the app. Overall, TUI Belgium lappli de voyage is a comprehensive travel companion for iPhone users.