# 延岡VR避難訓練 vs 化学マスター

The clearest difference is update cadence: 化学マスター at every 5 days against 延岡VR避難訓練's every 2 months. 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.

延岡VR避難訓練 ships an update every 2 months, 化学マスター every 5 days. The most recent releases landed on October 8, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | 延岡VR避難訓練 | 化学マスター |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | Free | — |
| Size | 725 MB | 17 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Fantastic Motion](https://appshunter.io/developer/1526627065) | [ryo otsuka](https://appshunter.io/developer/6788628020) |

## What reviewers say

### 延岡VR避難訓練

[App page](https://appshunter.io/ios/app/vr/id1668969037)

Experience various disaster scenarios in Nobeoka City through immersive virtual reality. Users embody avatars to learn and train in simulated emergency situations within a digital space.

**Highlights:** Immersive VR disaster experience, Avatar-based simulation, Learn disaster preparedness, Simulated emergency situations, Nobeoka City specific scenarios

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

**In-app purchases:** none


### 化学マスター

[App page](https://appshunter.io/ios/app/id6788745347)

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

**In-app purchases:** none


## Frequently asked questions

### Is 延岡VR避難訓練 free?

延岡VR避難訓練 is free to download, with no in-app purchases.

### Is 化学マスター free?

化学マスター is free to download, with no in-app purchases.

### Do 延岡VR避難訓練 or 化学マスター have ads?

Neither 延岡VR避難訓練 nor 化学マスター shows ads.

### Which is updated more often, 延岡VR避難訓練 or 化学マスター?

延岡VR避難訓練 ships an update every 2 months, and 化学マスター every 5 days. Most recently, 延岡VR避難訓練 was updated on October 8, 2026 and 化学マスター on October 16, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*