Comparison

MapTap vs GSI Map++

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

Head to head
About

MapTap

Explore diverse map layers including satellite, topographic, nautical charts, and street views. Compare multiple map sources side-by-side for comprehensive geographic information.

Highlights
  • Multiple map layer comparisons
  • Satellite and hybrid views
  • USGS topographic maps
  • NOAA nautical charts
  • OpenStreetMap integration
Read full description

Digital map browser. Compare standard Apple Maps view, Apple Satellite/Hybrid views, USGS topographic maps and orthophotos, NOAA raster nautical charts, and Open Street Map views.

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.

Screenshots

MapTap4 screens
GSI Map++4 screens

Verdict

The call

The clearest difference is in-app purchases: MapTap at none against GSI Map++'s 2. MapTap also leads on ads (none vs shown). GSI Map++'s advantage is update cadence (every 6 weeks vs every 6 months) and review sentiment (43% vs 23%). On price and device support 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. MapTap asks for nothing beyond the download.

UpkeepUpdate frequency

MapTap ships an update every 6 months, GSI Map++ every 6 weeks. The most recent releases landed on July 9, 2026 and September 11, 2026 respectively.

Scorecard6 real differences · 4 level
MapTap versus GSI Map++: the parameters behind the verdict, then further details
ParameterMapTapGSI Map++
PriceFreeFree
Rating3.7 (3 ratings) — better—
Positive reviews23.1% of reviews42.9% of reviews — better
Number of ratings3 — better—
Update frequencyEvery 6 monthsEvery 6 weeks — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.015.0 — better
Further details — not scored
Size3 MB4 MB
Age rating4+4+
DeveloperMobile GeographicsAOBO Co.,Ltd

Customer experience

MapTap

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews13 reviews
Positive23.1%
Neutral30.8%
Negative46.2%

GSI Map++

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

In-app purchases

None

MapTap

No 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

Questions

Is MapTap free?
MapTap is free to download, with no in-app purchases.
Is GSI Map++ free?
GSI Map++ is free to download, with in-app purchases available.
Do MapTap or GSI Map++ have ads?
GSI Map++ shows ads; MapTap does not.
Which is updated more often, MapTap or GSI Map++?
MapTap ships an update every 6 months, and GSI Map++ every 6 weeks. Most recently, MapTap was updated on July 9, 2026 and GSI Map++ on September 11, 2026.

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