Calendario VVF is a utility application designed specifically for Italian firefighters, enabling them to manage their shifts, substitutions, leave, and other service commitments efficiently. The app features an automatic shift calendar that calculates cyclic schedules based on user input and provides color-coded visual representations for different types of shifts, including 12-hour and 24-hour cycles. Additional support is available for administrative personnel, enhancing its utility within the fire service community.

The application offers comprehensive functionalities, including detailed service notes for various events such as training, missions, and medical visits. Users can track paid services and meal vouchers, with automatic calculations for day and night shifts. The annual report feature provides detailed statistics for easy reference, while customizable notifications ensure users stay informed of upcoming duties. With no need for accounts or external servers, all data remains secure and private on the device.