Red Bus Tucumán is a mobile application for Android devices that allows users to check their balance and movements on their city and metropolitan card in San Miguel de Tucumán. Additionally, it provides information on bus routes, stops, and online tracking, among other features. The app allows users to register and associate their cards with their personal information, and has a user-friendly interface.

One of the standout features of Red Bus Tucumán is its "When is it coming?" functionality, which allows users to see the location of buses in real-time and their expected arrival time. Currently, this feature is available for line 19, but it will be expanded to include more lines in the future. The app also includes an interactive map that displays bus routes and their respective stops, as well as the option to search for nearby sales points through an interactive map.

Overall, Red Bus Tucumán is a useful app for those who use public transportation in San Miguel de Tucumán. Its simple interface and various features make it easy to use and navigate, and the real-time tracking and mapping features are particularly helpful for those who need to plan their transportation in advance.