Cuando pasa SFC is a free Android app developed by EFISAT that allows users to track the arrival time of buses at their designated stops in the city of Santa Fe. The app is designed to help commuters plan their trips more efficiently by providing real-time information about bus schedules.

Users can search for bus stops either by their line or by their location, and save their favorite stops for quick access. The app also includes a "Nearby Stops" feature that displays the five closest stops to the user's GPS location. Additionally, users can use voice search and shortcuts to access their favorite stops more quickly.

Cuando pasa SFC is available 24/7 and relies on the phone's internet service to provide real-time information, eliminating the need for paid SMS services. The app also allows users to share it through SMS and social media.

It's worth noting that the app only works in the city of Santa Fe, making it a must-have for anyone who relies on public transportation in the area.

Overall, Cuando pasa SFC is a reliable and user-friendly app that provides valuable information to commuters in Santa Fe.