海e行 is a platform-based marine big data application developed by The Navigation Guarantee Center of East China Sea Shanghai Chart Center. This app, based on the concept of "Internet+", combines various data including diverse nautical charts, hydrological and meteorological information, ship positions, and POI data. It provides professional and intelligent navigation services as well as comprehensive query functions for ships navigating the rivers and seas. With its ability to exchange data between ships and shores, it serves as a smart mobile navigation app for maritime use.

海e行 is available for iPhone users and is categorized under Utilities & Tools. It is a free app, offering a wide range of features and information to enhance the marine navigation experience.