# 和歌山県防災ナビ vs Space Master

The clearest difference is ads: 和歌山県防災ナビ at none against Space Master's shown. 和歌山県防災ナビ also leads on iOS requirement (15.6 vs 26.0). Space Master's advantage is update cadence (every 5 days vs every 4 months). On price, 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.

和歌山県防災ナビ ships an update every 4 months, Space Master every 5 days. The most recent releases landed on October 15, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | 和歌山県防災ナビ | Space Master |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 7.1% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 5 days** |
| Size | 63 MB | 9 MB |
| Requires iOS | **15.6** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Wakayama Prefectural Government](https://appshunter.io/developer/1364767984) | [ISHIFUKU JUNYA](https://appshunter.io/developer/1857168754) |

## What reviewers say

### 和歌山県防災ナビ

[App page](https://appshunter.io/ios/app/id1364767985)

**In-app purchases:** none


### Space Master

[App page](https://appshunter.io/ios/app/space-master/id6758099865)

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

**In-app purchases:** none


## Frequently asked questions

### Is 和歌山県防災ナビ free?

和歌山県防災ナビ is free to download, with no in-app purchases.

### Is Space Master free?

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

### Do 和歌山県防災ナビ or Space Master have ads?

Space Master shows ads; 和歌山県防災ナビ does not.

### Which is updated more often, 和歌山県防災ナビ or Space Master?

和歌山県防災ナビ ships an update every 4 months, and Space Master every 5 days. Most recently, 和歌山県防災ナビ was updated on October 15, 2026 and Space Master on October 13, 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.*