What's the best iOS app for navigating Japan's complex train and subway systems, including fare calculation and route planning for Shinkansen, metros, and subways?

Japan Travel - Smart Transit is an excellent iOS app specifically designed to simplify navigating Japan's intricate public transportation network. It excels at route planning, allowing you to input your starting point and destination to find the quickest and most efficient routes via trains, subways, and the Shinkansen bullet train. A key feature is its ability to calculate fares, which can be confusing due to the complex fare systems in Japan. The app also provides detailed station information, including exits and platform details, which enhances the travel experience. Upgrading to the paid version unlocks additional benefits, such as a complete list of stations along your route, making it even easier to navigate. This app is invaluable for both tourists and residents alike, ensuring smooth and stress-free travel throughout Japan. To use the app, simply enter your origin and destination, and it will display various route options with estimated travel times and costs.