Access over 160 types of maps from the Geospatial Information Authority of Japan, including topographic maps, aerial photos, and disaster maps. Overlay up to three maps with adjustable transparency and view legends with a single tap. Offline caching allows for use in remote areas or airplane mode.
1.1.0
June 29, 2026
英語版です。 ・The overlay blending method has been changed to Multiply. This makes the map display sharper than before. If performance feels slow, please change it to “Settings → Blending Method → Alpha.” ・The search feature has been improved. It now saves search history and performs real-time searches. Coordinate input in latitude and longitude is also supported. For degrees, minutes, and seconds, enter them like “35/59/59.12 139/59/59.12”: use slashes to separate degrees, minutes, and seconds, enter latitude first, then a half-width space, followed by longitude. ・Banner ads are now displayed in the corner of the screen. In the future, it may become possible to hide ads through an in-app purchase.
MoreThis app allows you to display over 160 types of maps provided by the Geospatial Information Authority of Japan. This includes standard topographic maps, nationwide aerial photographs, land use surveys, disaster aerial photographs, volcanic basic maps, and lake charts.
Yes, the app automatically caches displayed maps up to 200MB. This allows you to use the maps even in areas with no mobile signal or when in airplane mode, making it suitable for use in remote mountain areas or during flights.
You can overlay up to three maps simultaneously: an overlay map, a base map, and Google Maps. You can freely adjust the transparency of the overlay and base maps to customize your view.
Yes, the application is free to use. There are no in-app purchases or advertisements mentioned in the description.
This app is useful for a variety of purposes, including hiking as a simple GPS app, checking the elevation of the screen's center point for disaster preparedness, and general access to detailed Japanese geographic information.
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