Nova 381 is a comprehensive utility application designed for iPhone users, focusing primarily on electronic toll payment services. The app allows users to pay toll fees directly from their mobile devices, streamlining the payment process. Additionally, it offers the feature to register vehicle information and check outstanding debts using the vehicle's license plate, providing convenience and efficiency for users on the road.

Furthermore, Nova 381 includes an SOS button that enables direct communication with the highway's Operational Control Center in case of emergencies. Alongside these key functions, the app offers additional tools such as access to location maps, useful contact numbers, toll fee consultations, and the issuance of equivalent fiscal documents, making it an essential travel companion for users.