Online application to check card balances corresponding subscriber companies El Porvenir, Route 13 and Expreso Villa del Rosario. The query can be done by using the NFC sensor available in several cell phone models (check your manual) or the ID associated with the card.
The application also makes it possible to find out the schedules for travel to any destination of these companies, namely the delay of the cars that are meeting service and know their location on satellite map.
The service is free. It Requires WiFi or data plan.