Siu Mobile Teresina is a free Android app developed by Tacom sistemas de bilhetagem inteligente Ltda. It falls under the Travel & Navigation category and specifically the Maps & GPS subcategory. The app's main feature is displaying the real-time bus arrival information for the selected bus stop.

The app is designed to provide convenience to commuters in Teresina, Brazil. With Siu Mobile Teresina, users can quickly and easily check when the next bus will arrive at their stop. The app displays the estimated time of arrival for each bus, allowing users to plan their trips accordingly. Siu Mobile Teresina also provides the bus route information, so users can check if the bus they are waiting for is going in the right direction.