# 優昇文教 vs 防災虛擬體驗館

The clearest difference is update cadence: 防災虛擬體驗館 at every 3 weeks against 優昇文教's every 22 months. 防災虛擬體驗館 also leads on iOS requirement (13.0 vs 15.0). 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.

優昇文教 ships an update every 22 months, 防災虛擬體驗館 every 3 weeks. The most recent releases landed on October 24, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | 優昇文教 | 防災虛擬體驗館 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 22 months | **Every 3 weeks** |
| Size | 197 MB | 689 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Chi Hsien Lai](https://appshunter.io/developer/1039759515) | [Po Jen YANG](https://appshunter.io/developer/1332222057) |

## What reviewers say

### 優昇文教

[App page](https://appshunter.io/ios/app/id1495925727)

**Features:** macOS Compatibility

**In-app purchases:** none


### 防災虛擬體驗館

[App page](https://appshunter.io/ios/app/id6444285522)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 優昇文教 free?

優昇文教 is free to download, with no in-app purchases.

### Is 防災虛擬體驗館 free?

防災虛擬體驗館 is free to download, with no in-app purchases.

### Do 優昇文教 or 防災虛擬體驗館 have ads?

Neither 優昇文教 nor 防災虛擬體驗館 shows ads.

### Which is updated more often, 優昇文教 or 防災虛擬體驗館?

優昇文教 ships an update every 22 months, and 防災虛擬體驗館 every 3 weeks. Most recently, 優昇文教 was updated on October 24, 2026 and 防災虛擬體驗館 on October 21, 2026.

---

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