# GSI Map++ vs Maps for OSM

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.

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.

## The numbers

| Metric | GSI Map++ | Maps for OSM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/maps-for-osm/id1595273365/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 42.9% of reviews | **75.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 4 MB | 10 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [AOBO Co.,Ltd](https://appshunter.io/developer/310846199) | [Michael Roennau](https://appshunter.io/developer/1499959874) |

## What reviewers say

### GSI Map++

[App page](https://appshunter.io/ios/app/gsi-map-plus-plus/id994054184)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告の削除（6ヶ月間） | $2.99 | one-time |
| 広告の削除（１年間） | $3.99 | one-time |


### Maps for OSM

[App page](https://appshunter.io/ios/app/maps-for-osm/id1595273365)

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

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*