Montréal en lumière is a free mobile application developed by Equipe Spectra Inc, L'. It provides the complete program of the 24th edition of the Montreal Winter Festival, which will take place from February 16 to March 5, 2023. This app features an interactive calendar, a comprehensive list of activities, maps, and links to buy tickets online. Users can search for gastronomic offerings, show programs, free outdoor activities, and the complete program of Nuit Blanche. Families can also find activities to enjoy together. The app's Favourites tool lets users create their personalized list of must-dos to explore the best of Montreal in winter.

The app's offline mode allows users to browse festival schedules without requiring a permanent connection. Montréal en lumière is a user-friendly app that helps visitors enjoy Montreal's winter festival to its fullest. Its comprehensive features and easy-to-use interface make it an excellent resource for anyone looking to explore the festival.