# 工程相机 vs OA协同平台

The clearest difference is in-app purchases: OA协同平台 at none against 工程相机's 3. OA协同平台 also leads on update cadence (weekly vs every 5 weeks). 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. OA协同平台 asks for nothing beyond the download.

工程相机 ships an update every 5 weeks, OA协同平台 weekly. The most recent releases landed on October 2, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | 工程相机 | OA协同平台 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Weekly** |
| Size | 89 MB | 40 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [畅 肖](https://appshunter.io/developer/1759891431) | [国华 黄](https://appshunter.io/developer/1831920699) |

## 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 |


### OA协同平台

[App page](https://appshunter.io/ios/app/oa/id6749850070)

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

**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 OA协同平台 free?

OA协同平台 is free to download, with no in-app purchases.

### Do 工程相机 or OA协同平台 have ads?

Neither 工程相机 nor OA协同平台 shows ads.

### Which is updated more often, 工程相机 or OA协同平台?

工程相机 ships an update every 5 weeks, and OA协同平台 weekly. Most recently, 工程相机 was updated on October 2, 2026 and OA协同平台 on October 7, 2026.

---

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