ORLEN is a free Android application developed by Normbenz Kft, which serves as a self-service fuel filling and discount card application for the Orlen network in Hungary. This app provides a convenient way for users to fill up their vehicles with petrol or diesel, as well as receive discounts using their Orlen fuel card.

With ORLEN, users can easily locate the nearest Orlen petrol station and view information such as the station's address, opening hours, and fuel prices. The app also includes a map feature to help users navigate to their desired petrol station. Additionally, users can track their fuel consumption and expenses through the app's fuel log feature, which can assist in budgeting and expense management.

Overall, ORLEN is a useful tool for Orlen fuel cardholders in Hungary, providing a hassle-free and streamlined experience for self-service fuel filling and discount card usage.