Comparison

GSI Map++ vs 国土マップR

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

GSI Map++

This app displays maps from the Geospatial Information Authority of Japan, offering various map types and measurement tools. It allows integration with Apple Maps or Google Maps for directions and provides location details with memo and photo options.

Highlights
  • Display GSI maps
  • Integrate with Apple/Google Maps
  • Switch to OpenStreetMap
  • Measure distance and area
  • Display location and elevation
  • Add location bookmarks
  • Save tile data locally
Features
Read full description

This is an application to display maps provided by Geospatial Information Authority of Japan. Please view the following link if you want to know more about the GSI map. http://www.gsi.go.jp/kikakuchousei/kikakuchousei40182.html Features: 1, Can display almost all the map types published by Geospatial Information Authority of Japan. 2, Can invoke the directions function of Apple Map or Google Map in this application. 3, Can switch to OpenStreetMap for your convenience. 4, Can measure distance and area space, please select the corresponding function and tap the red pin to try. 5, Can display the location and elevation information on detail screen, also can add memo or select a photo(if photos are available on device). You can delete selected photo by long press action. 6, Can add a location point to bookmark on detail screen. 7, Background map option, changing map transparency. 8, Save history on trace mode. 9, Save tile data to local. Notice: 1, The internet environment is a must. 2, Sometimes the display of map become slowly, because of the status of internet environment. Disclaimer: 1, The developer take no responsibility for any result when user use this application. 2, The map displayed in this application depends on service provided by other organization, this application will out of work if this kind of service was stopped.

About

国土マップR

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.

Highlights
  • Display 160+ types of Japanese maps
  • Overlay up to 3 maps
  • Adjustable map transparency
  • One-tap legend display
  • Automatic offline caching (up to 200MB)
  • Simple GPS for current location
  • View elevation of screen center
Features
Read full description

This app lets you display various maps provided by the Geospatial Information Authority of Japan. It can be used within Japan. You can display a wide range of maps, including standard topographic maps, nationwide aerial photographs, residential land use survey maps, aerial photographs taken during disasters, volcano base maps, lake maps, and more — over 160 types in total! You can display three map layers at once: an overlay map, a base map, and Google Maps. The transparency of the overlay map and base map can be adjusted freely. For maps that have legends, you can display the legend with a single tap. Maps displayed on the screen are automatically cached up to 200 MB (*), so they can also be used deep in the mountains where there is no mobile signal, or in airplane mode. The app can also be used as a simple GPS app for hiking. It includes only the minimum GPS features needed to show your current location, making it easy for anyone to use. You can easily check the elevation at the center of the screen. Please use this feature for disaster preparedness and other purposes. * When the cache exceeds the limit, older cached data is automatically deleted when the app starts. You do not need to worry about the app consuming all of your smartphone storage. ■ Notes ・Use of this app is at your own risk. ・We assume no responsibility for the accuracy, safety, or reliability of the information provided. ・Please do not contact the Geospatial Information Authority of Japan regarding this app. Maps: Geospatial Information Authority of Japan [http://www.gsi.go.jp/](http://www.gsi.go.jp/)

Screenshots

GSI Map++4 screens
国土マップR4 screens

Verdict

The call

The clearest difference is in-app purchases: 国土マップR at none against GSI Map++'s 2. 国土マップR also leads on ads (none vs shown) and review sentiment (54% vs 43%). On price, update cadence, device support and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. GSI Map++ sells 2 one-off in-app purchases. 国土マップR asks for nothing beyond the download.

UpkeepUpdate frequency

GSI Map++ ships an update every 6 weeks, 国土マップR every 3 weeks. Both last shipped on October 15, 2026.

Scorecard4 real differences · 6 level
GSI Map++ versus 国土マップR: the parameters behind the verdict, then further details
ParameterGSI Map++国土マップR
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews42.9% of reviews53.8% of reviews — better
Number of ratings—1 — better
Update frequencyEvery 6 weeksEvery 3 weeks — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better16.6
Further details — not scored
Size4 MB25 MB
Age rating4+4+
DeveloperAOBO Co.,Ltdkeiji matsumoto

Customer experience

GSI Map++

Written reviews14 reviews
Positive42.9%
Neutral21.4%
Negative35.7%

国土マップR

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews52 reviews
Positive53.8%
Neutral5.8%
Negative40.4%

In-app purchases

2 purchases

GSI Map++

One-time2
  • 広告の削除(6ヶ月間)$2.99
  • 広告の削除(1年間)$3.99
None

国土マップR

No in-app purchases

Questions

Is GSI Map++ free?
GSI Map++ is free to download, with in-app purchases available.
Is 国土マップR free?
国土マップR is free to download, with no in-app purchases.
Do GSI Map++ or 国土マップR have ads?
GSI Map++ shows ads; 国土マップR does not.
Which is updated more often, GSI Map++ or 国土マップR?
GSI Map++ ships an update every 6 weeks, and 国土マップR every 3 weeks. Most recently, GSI Map++ was updated on October 15, 2026 and 国土マップR on October 15, 2026.

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