Comparison

GSI Map++ vs Maps for OSM

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

Maps for OSM

Explore detailed maps from OpenStreetMap with offline capabilities. Record tracks, add notes, and capture photos or videos directly on the map. This open-source application offers robust data management and backup features.

Highlights
  • Offline map tile preloading
  • Place markers and notes
  • Photo and video capture
  • GPX track recording and export
  • Data backup and restore
  • Open source
Read full description

View maps from OpenStreetMap (app is not affiliated with OSM organization). Choose your own tile server.  Preload tiles for offline use.  Set place markers, take photos, video, audios. Write notes. Record, import and export tracks in gpx format. Backup and restore all your data. Free use, no ads. This app is open source. The code can be found at https://github.com/mr-elbe5/Maps-For-OSM-IOS.git Further information on https://en.elbe5.de

Screenshots

GSI Map++4 screens
Maps for OSM4 screens

Verdict

The call

The clearest difference is in-app purchases: Maps for OSM at none against GSI Map++'s 2. Maps for OSM also leads on ads (none vs shown) and review sentiment (75% 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. Maps for OSM asks for nothing beyond the download.

UpkeepUpdate frequency

GSI Map++ ships an update every 6 weeks, Maps for OSM every 3 weeks. The most recent releases landed on September 11, 2026 and July 2, 2026 respectively.

Scorecard4 real differences · 6 level
GSI Map++ versus Maps for OSM: the parameters behind the verdict, then further details
ParameterGSI Map++Maps for OSM
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews42.9% of reviews75.0% 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, iPodiPhone, iPad, Mac, Apple Watch — better
Requires iOS15.0 — better16.0
Further details — not scored
Size4 MB10 MB
Age rating4+4+
DeveloperAOBO Co.,LtdMichael Roennau

Customer experience

GSI Map++

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

Maps for OSM

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive75.0%
Neutral25.0%
Negative0.0%

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

Maps for OSM

No in-app purchases

Questions

Is GSI Map++ free?
GSI Map++ is free to download, with in-app purchases available.
Is Maps for OSM free?
Maps for OSM is free to download, with no in-app purchases.
Do GSI Map++ or Maps for OSM have ads?
GSI Map++ shows ads; Maps for OSM does not.
Which is updated more often, GSI Map++ or Maps for OSM?
GSI Map++ ships an update every 6 weeks, and Maps for OSM every 3 weeks. Most recently, GSI Map++ was updated on September 11, 2026 and Maps for OSM on July 2, 2026.

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