GSI Map++ vs Maps for OSM
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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.
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.
- Offline map tile preloading
- Place markers and notes
- Photo and video capture
- GPX track recording and export
- Data backup and restore
- Open source
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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
Verdict
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
Both are free to download. GSI Map++ sells 2 one-off in-app purchases. Maps for OSM asks for nothing beyond the download.
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.
| Parameter | GSI Map++ | Maps for OSM |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | 42.9% of reviews | 75.0% of reviews — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 6 weeks | Every 3 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac, Apple Watch — better |
| Requires iOS | 15.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 4 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | AOBO Co.,Ltd | Michael Roennau |
Customer experience
GSI Map++
Maps for OSM
In-app purchases
GSI Map++
- 広告の削除(6ヶ月間)$2.99
- 広告の削除(1年間)$3.99
Maps for OSM
No in-app purchases









