JADROLINIJA is a free Android mobile app developed by Jadrolinija Rijeka, a company that provides ferry services in Croatia. The app offers a wide range of features that make it easy and convenient to access ferry information. With JADROLINIJA, you can search for timetables, check prices on routes, buy tickets, and even join the island loyalty program.

The app also features a "Ticket templates" option that allows you to check your reservations and change information if needed. Additionally, you can access traffic information and sales points directly from the app. Overall, JADROLINIJA is a useful tool for anyone traveling to or from Croatia's islands. It's user-friendly and provides all the necessary information for a smooth ferry experience.