ŠiauliaiBUS is a free Android travel and navigation app developed by Lexita. This app allows users to easily purchase, accumulate, and activate public transport tickets for Šiauliai city. With this app, users can buy and activate any type of ticket they need, and pay for them using a payment card or electronic banking.

The app also allows users to view their purchased tickets in the "Tickets" section. It is possible to purchase and activate multiple tickets of any type, with or without discounts, simultaneously. Additionally, users can pay for their own and other passengers' trips. For foreign users, the app can be found by searching for "SiauliaiBus".