Mon Carnet de Route is a free iPhone app designed to assist women affected by breast cancer. It serves as a daily companion that helps users monitor their mood, stay organized, and seek information about treatments and support care. The app provides resources to help users navigate medical terminology, manage appointments, and explore patient associations.

In addition to organizational features, the app promotes relaxation through a curated selection of readings, music, and films. Users can also find wellness recipes, detox drinks, and comforting desserts tailored to address treatment side effects. Moreover, it offers heart coherence exercises and adapted physical activities, including yoga, to help maintain physical and mental well-being.