AT Mobile, developed by Auckland Transport, is a free travel and navigation app for iPhone users. With over 250,000 users, it helps commuters, occasional travelers, and new explorers plan and track their journeys across Auckland using AT Metro bus, train, and ferry services. It also offers options for biking or walking to your destination.

The app's Journey Planner feature makes it easy to find the best route to your destination and even offers walking and cycling journey options. With real-time departures, you can track the live location of your service and save your favorite stops and stations for quick access.

AT Mobile also offers shared scooters and bikes, and car-sharing services, which you can easily locate and book through the app. If you use AT HOP cards, you can check your balance, find nearby top-up locations, and subscribe to disruption alerts for your frequently used routes or stops.

Additionally, the app provides train line status updates to help avoid disruptions or delays. The developers are always working to improve the app's features and welcome feedback through reviews or the "Contact Us" area in the menu.

Overall, AT Mobile is a comprehensive and user-friendly app that simplifies travel in Auckland.