Ubian is a free Android app that offers a comprehensive solution for public transportation in Slovakia. Developed by TransData s.r.o., this travel and navigation app provides users with real-time schedules, current traffic information, and the ability to manage their transport card. With Ubian, users can buy tickets for trains, buses, and trams, check balances on their transport card, and view transaction history. The app also features a loyalty program, Zelené kilometre, which rewards users for taking environmentally-friendly modes of transportation. Additionally, Ubian has a virtual transport card feature that allows users to store their card in their Google Wallet and pay for rides using their mobile device. Overall, Ubian is a user-friendly app that provides a convenient and efficient way to navigate public transportation in Slovakia.