# Outside Maps vs GSI Map++

The clearest difference is in-app purchases: Outside Maps at none against GSI Map++'s 2. Outside Maps also leads on ads (none vs shown) and review sentiment (77% vs 43%). On price, update cadence and device support there is nothing between them.

Both are free to download. GSI Map++ sells 2 one-off in-app purchases. Outside Maps asks for nothing beyond the download.

Outside Maps ships an update every 2 months, GSI Map++ every 6 weeks. The most recent releases landed on October 2, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Outside Maps | GSI Map++ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (2 ratings)](https://appshunter.io/ios/app/outside-maps/id412493862/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | **76.6% of reviews** | 42.9% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 10 MB | 4 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Replicade Ltd.](https://appshunter.io/developer/1108495920) | [AOBO Co.,Ltd](https://appshunter.io/developer/310846199) |

## What reviewers say

### Outside Maps

[App page](https://appshunter.io/ios/app/outside-maps/id412493862)

View and navigate diverse mapping data on your iPhone or iPad. Access Ordnance Survey maps for Great Britain, worldwide OpenStreetMap, historic maps, and aerial imagery. Features include GPS tracking, compass, and waypoint management.

**Highlights:** View Ordnance Survey maps (Great Britain), Worldwide OpenStreetMap support, Historic Ordnance Survey maps, Aerial photography, Real-time GPS tracking, Compass and bearing, Waypoint import/export (GPX)

**In-app purchases:** none

**What reviewers like**

- 🗺️ Detailed historical maps
- 📍 GPS overlay on old maps
- 🏠 House names and numbers
- 👍 Easy to use and navigate
- 💡 Useful for delivery drivers

**What reviewers complain about**

- 🇦🇺 No Australian maps
- 🐛 UI bugs and glitches
- 🗙 Invisible map source text
- 📉 Unreliable tile cache offline
- ❓ Confusing interface

**Reported bugs**

- Text to select map source invisible (white on white)
- Tile cache unreliable when offline
- Waypoints move around map accidentally
- Map selection window not loading (iOS 8)
- App crashes consistently (iOS 8)

**Requested features**

- Add zoom function for desktop version
- Include a 1960's map
- Ability to import custom map sources
- Option for selected map source to remain default
- Reinstate 'Save Waypoint' feature


### 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 |


## Frequently asked questions

### Is Outside Maps free?

Outside Maps 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 Outside Maps or GSI Map++ have ads?

GSI Map++ shows ads; Outside Maps does not.

### Which is updated more often, Outside Maps or GSI Map++?

Outside Maps ships an update every 2 months, and GSI Map++ every 6 weeks. Most recently, Outside Maps was updated on October 2, 2026 and GSI Map++ on September 30, 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.*