なごやバス地下鉄ナビ is a free travel and navigation app available on the iPhone platform. Developed by REMMA TAKEUCHI, this app allows users to search for route information and departure times for the city bus and subway in Nagoya. With a simple interface, users can easily select from a list of all bus stops and subway stations. The app also provides the option to search for routes using only buses. Additionally, users can save frequently used routes to their personal list for easy access.

The app also offers a convenient feature to search for city bus timetables. Users can easily search for timetables for all bus stops and save frequently used ones to their personal timetable list.

Please note that this app is not an official app provided by the Nagoya Municipal Transportation Bureau. Users are advised not to contact the operator regarding the use of this app. The app accesses the operator's service information page based on input data to retrieve the necessary information. If the operator's service is suspended or undergoing maintenance, the app will not be able to display information. It is important to understand that the developer cannot be held responsible for any issues that may arise from using this app.