Passio GO is a free iPhone app developed by Passio Technologies Inc, designed for tracking real-time bus locations, schedules, and estimated arrival times (ETA). Users can easily monitor bus routes and locations, even when schedules are hidden by certain agencies. For operators managing transportation systems like transit buses and shuttles, Passio GO provides efficient tracking and passenger counting capabilities.

The app allows operators to track vehicles in real-time, count passengers boarding and exiting with GPS coordinates and timestamps. It also enables categorizing passengers into different groups. Passio GO offers a seamless solution for transportation management, making it easier to manage bus systems effectively.