# 国土マップR vs Vialoom

The clearest difference is update cadence: Vialoom at daily against 国土マップR's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

国土マップR ships an update every 3 weeks, Vialoom daily. The most recent releases landed on October 24, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | 国土マップR | Vialoom |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/r/id1321824379/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 53.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Daily** |
| Monetization | Free | — |
| Size | 25 MB | 6 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [keiji matsumoto](https://appshunter.io/developer/354143756) | [Motoki Oishi](https://appshunter.io/developer/1466931294) |

## What reviewers say

### 国土マップR

[App page](https://appshunter.io/ios/app/r/id1321824379)

Access over 160 types of maps from the Geospatial Information Authority of Japan, including topographic maps, aerial photos, and disaster maps. Overlay up to three maps with adjustable transparency and view legends with a single tap. Offline caching allows for use in remote areas or airplane mode.

**Highlights:** Display 160+ types of Japanese maps, Overlay up to 3 maps, Adjustable map transparency, One-tap legend display, Automatic offline caching (up to 200MB), Simple GPS for current location, View elevation of screen center

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Vialoom

[App page](https://appshunter.io/ios/app/vialoom/id6762361245)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 国土マップR free?

国土マップR is free to download, with no in-app purchases.

### Is Vialoom free?

Vialoom is free to download, with no in-app purchases.

### Do 国土マップR or Vialoom have ads?

Neither 国土マップR nor Vialoom shows ads.

### Which is updated more often, 国土マップR or Vialoom?

国土マップR ships an update every 3 weeks, and Vialoom daily. Most recently, 国土マップR was updated on October 24, 2026 and Vialoom on October 9, 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.*