TTC Watch for Toronto is a free iPhone app developed by Barum Rho that provides real-time arrival times for TTC streetcars and buses. With the help of GPS location, the app keeps you updated on the estimated time of arrival of your preferred transportation. In addition to real-time location tracking, the app also features push notifications for service interruptions and quick access to the full timetable on the TTC website for major stops.

The app also has a user-friendly interface that allows you to find nearby stops by zooming in and pin frequently used stops on the map. It is worth noting that all GPS locations and arrival time predictions are provided by the City of Toronto's Open Data through NextBus. Please note that this application is not affiliated with the Toronto Transit Commission.

In conclusion, TTC Watch for Toronto is an excellent app that is essential for anyone who relies on TTC transportation. It is reliable, easy to use, and provides accurate real-time information.