MyMapHK vs eSeaGo

"MyMapHK" is an "All-in-One" mobile map app, which provides members of the public a convenient and on-the-go access to the official maps published by the Lands Department and integrated geospatial information about public facilities in Hong Kong. "MyMapHK" provides: - Up-to-date, detailed trilingual base map of Hong Kong published by the Lands Department. - Imagery map of Hong Kong published by the Lands Department. - Offline digital topographic map iB20000 of Hong Kong published by the Lands Department - Over 120 types of public facility data integrated from different government departments. - Point to Point Route Search. - Intelligent location search engine with speech-to-text feature. - "Nearby Facilities" functions which searches the facilities located within 1 km buffer area of the user's current map viewing location. - "Spatial Data Visualisation" feature which enables the overlaying of a particular type of facility onto the map. - "My Location" function which allows users to view their approximate current location on the map. - "Location Bookmark" function which allows users to bookmark a location on the map for further reference. - "Share Map" function which offers two options, namely "Share Map URL" and "Share Map Image", so that users can share the current map view with others. - Useful map tools, such as measurement tool and track log, etc. Note: "MyMapHK" requires an internet connection. Using "MyMapHK", data transmission fees may be incurred for transmitting data through mobile devices. You are suggested keeping track of data usage from time to time. Although "MyMapHK" is a free application, user may be charged by their mobile network service provider on the use of data service. These charges can be very expensive on roaming. Please ensure that the option of "Data Roaming" have been disabled in the mobile phone settings. The estimated location provided by the mobile device may deviate from your actual location. The accuracy depends on the GPS on your device. "MyMapHK" features an automatic rotation of map. When enabled, the map is automatically rotated based on the direction reported by the device's built-in magnetometers in which the device is pointing. The accuracy may vary depends on multiple factors such as the type of the magnetometer and local magnetic fields.

The "eSeaGo" is a free mobile application that offers a simple and convenient solution for displaying chart information for Hong Kong waters. Through the "eSeaGo", users can download the chart information provided by the Hydrographic Office of the Marine Department and display it online or offline. With the mobile device's positioning function, the "eSeaGo" can assist vessels sailing in Hong Kong waters. The “eSeaGo” provides content and information in raster format which should not be used as a substitute for paper charts or electronic navigational charts. The “eSeaGo” is not designed to be used for navigational purposes or as a substitute for any navigational equipment that is required under applicable regulations or laws. The “eSeaGo” includes the following main features: • Up-to-date “eSeaGo” chart information for offline display available for download. • Display of up-to-date “eSeaGo” chart information for online use. • Up-to-date “eSeaGo” chart information available notification. • Hong Kong Observatory weather warning notification. • “Portrait” or “Landscape” display orientation. • Speed information display. • True bearing and remaining distance from the mobile device to the user-defined route. • Custom layers, route points and points of interest. • User positioning tracking function and export of the track in the Keyhole Markup Language (KML) file format. • Lands Department basemap (imagery or topographic) for online display. • User-defined speed value for estimated time of arrival calculation. • Power saving mode. • Provide links to useful websites. • Provide legend. • Display weather and tidal information for online use. • Search harbour facilities and place name. • Search by latitude and longitude. • Display maritime information such as Speed Restricted Zone under offline condition. • Import and export KML files as routes, custom layers and points of interest. Note: 1. The “eSeaGo” requires Internet connection. Users are subject to Internet connection and data usage charges arising from the use of the “eSeaGo”, according to the applicable rates charged by users’ respective third-party Internet and data usage service provider as may be from time to time. 2. The positioning information obtained by the mobile device may differ from its actual position and may be inaccurate. Reliance upon or use of such position information shall be at Users' own risk. 3. Support for app versions 2.1.2 or below on iOS has ended. Older versions may no longer receive updates or function properly. We strongly encourage all users to update promptly to the latest version to enjoy more features, up-to-date chart information, the best experience and reliable service.