# 工程相机 vs YD云控

The clearest difference is in-app purchases: YD云控 at none against 工程相机's 3. 工程相机's advantage is update cadence (every 5 weeks vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 工程相机 sells 3 in-app purchases, starting at $4.99 per 7 days. YD云控 asks for nothing beyond the download.

工程相机 ships an update every 5 weeks, YD云控 every 3 months. The most recent releases landed on September 15, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | 工程相机 | YD云控 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 3 months |
| Size | 89 MB | 30 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [畅 肖](https://appshunter.io/developer/1759891431) | [添 程](https://appshunter.io/developer/1748936369) |

## What reviewers say

### 工程相机

[App page](https://appshunter.io/ios/app/2026/id6670169436)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 周会员 | $4.99 | per 7 days |
| 促销会员 | $4.99 | per 7 days |
| 永久会员 | $24.99 | one-time |


### YD云控

[App page](https://appshunter.io/ios/app/yd/id6738470947)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 工程相机 free?

工程相机 is free to download, with in-app purchases available.

### Is YD云控 free?

YD云控 is free to download, with no in-app purchases.

### Do 工程相机 or YD云控 have ads?

Neither 工程相机 nor YD云控 shows ads.

### Which is updated more often, 工程相机 or YD云控?

工程相机 ships an update every 5 weeks, and YD云控 every 3 months. Most recently, 工程相机 was updated on September 15, 2026 and YD云控 on September 17, 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.*