# 防災Go！ vs ArtDoor

The clearest difference is in-app purchases: 防災Go！ at none against ArtDoor's 3. 防災Go！ also leads on iOS requirement (13.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. ArtDoor sells 3 in-app purchases, starting at $2.99 per month. 防災Go！ asks for nothing beyond the download.

防災Go！ ships an update weekly, ArtDoor every 6 days. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 防災Go！ | ArtDoor |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 6 days** |
| Size | 484 MB | 103 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [CTI GRAND PLANNING CO., LTD.](https://appshunter.io/developer/1533912881) | [Keita Tamura](https://appshunter.io/developer/1841767385) |

## What reviewers say

### 防災Go！

[App page](https://appshunter.io/ios/app/go/id6752916846)

**Features:** macOS Compatibility

**In-app purchases:** none


### ArtDoor

[App page](https://appshunter.io/ios/app/artdoor/id6775535030)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ArtDoor Premium (Monthly) | $2.99 | per month |
| ArtDoor Premium (Yearly) | $19.99 | per year |
| 50 Photo Slots | $0.99 | one-time |


## Frequently asked questions

### Is 防災Go！ free?

防災Go！ is free to download, with no in-app purchases.

### Is ArtDoor free?

ArtDoor is free to download, with in-app purchases available.

### Do 防災Go！ or ArtDoor have ads?

Neither 防災Go！ nor ArtDoor shows ads.

### Which is updated more often, 防災Go！ or ArtDoor?

防災Go！ ships an update weekly, and ArtDoor every 6 days. Most recently, 防災Go！ was updated on October 28, 2026 and ArtDoor on October 31, 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.*