# 天サイ！まなぶくん葛飾区版 防災情報可視化ARアプリ vs 山県市公式アプリ　山県市ナビ

The clearest difference is iOS requirement: 天サイ！まなぶくん葛飾区版 防災情報可視化ARアプリ at 12.0 against 山県市公式アプリ　山県市ナビ's 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.

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

天サイ！まなぶくん葛飾区版 防災情報可視化ARアプリ ships an update every 13 months, 山県市公式アプリ　山県市ナビ every 17 months. The most recent releases landed on October 20, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | 天サイ！まなぶくん葛飾区版 防災情報可視化ARアプリ | 山県市公式アプリ　山県市ナビ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 13 months** | Every 17 months |
| Monetization | Free | — |
| Size | 93 MB | 3 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CAD CENTER CORPORATION](https://appshunter.io/developer/475975436) | [Yamagata city](https://appshunter.io/developer/1497098146) |

## What reviewers say

### 天サイ！まなぶくん葛飾区版 防災情報可視化ARアプリ

[App page](https://appshunter.io/ios/app/ar/id588948842)

Visualize disaster prevention information for Katsushika Ward, Tokyo, including flood inundation, storm surge risks, and earthquake hazards like fire and building collapse. Locate shelters and evacuation sites with AR.

**Highlights:** Flood inundation visualization, Storm surge risk display, Earthquake fire risk assessment, Building collapse risk assessment, Shelter and evacuation site locator, Augmented Reality (AR) integration

**In-app purchases:** none


### 山県市公式アプリ　山県市ナビ

[App page](https://appshunter.io/ios/app/id1497098147)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 天サイ！まなぶくん葛飾区版 防災情報可視化ARアプリ free?

天サイ！まなぶくん葛飾区版 防災情報可視化ARアプリ is free to download, with no in-app purchases.

### Is 山県市公式アプリ　山県市ナビ free?

山県市公式アプリ　山県市ナビ is free to download, with no in-app purchases.

### Do 天サイ！まなぶくん葛飾区版 防災情報可視化ARアプリ or 山県市公式アプリ　山県市ナビ have ads?

Neither 天サイ！まなぶくん葛飾区版 防災情報可視化ARアプリ nor 山県市公式アプリ　山県市ナビ shows ads.

### Which is updated more often, 天サイ！まなぶくん葛飾区版 防災情報可視化ARアプリ or 山県市公式アプリ　山県市ナビ?

天サイ！まなぶくん葛飾区版 防災情報可視化ARアプリ ships an update every 13 months, and 山県市公式アプリ　山県市ナビ every 17 months. Most recently, 天サイ！まなぶくん葛飾区版 防災情報可視化ARアプリ was updated on October 20, 2026 and 山県市公式アプリ　山県市ナビ on October 8, 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.*