# 有聲職業安全衛生 vs 工程萬用相機

The clearest difference is ads: 工程萬用相機 at none against 有聲職業安全衛生's shown. 工程萬用相機 also leads on update cadence (every 3 days vs every 4 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

有聲職業安全衛生 ships an update every 4 months, 工程萬用相機 every 3 days. Both last shipped on November 6, 2026.

## The numbers

| Metric | 有聲職業安全衛生 | 工程萬用相機 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 3 days** |
| Size | 359 MB | 41 MB |
| Requires iOS | **15.6** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Chang Chih Kai](https://appshunter.io/developer/919349563) | [智服能股份有限公司](https://appshunter.io/developer/1869992880) |

## What reviewers say

### 有聲職業安全衛生

[App page](https://appshunter.io/ios/app/id1465257531)

**Features:** macOS Compatibility

**In-app purchases:** none


### 工程萬用相機

[App page](https://appshunter.io/ios/app/id6803324381)

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

**In-app purchases:** none


## Frequently asked questions

### Is 有聲職業安全衛生 free?

有聲職業安全衛生 is free to download, with no in-app purchases.

### Is 工程萬用相機 free?

工程萬用相機 is free to download, with no in-app purchases.

### Do 有聲職業安全衛生 or 工程萬用相機 have ads?

有聲職業安全衛生 shows ads; 工程萬用相機 does not.

### Which is updated more often, 有聲職業安全衛生 or 工程萬用相機?

有聲職業安全衛生 ships an update every 4 months, and 工程萬用相機 every 3 days. Most recently, 有聲職業安全衛生 was updated on November 6, 2026 and 工程萬用相機 on November 6, 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.*