# 浙江CA互认 vs 中工上签

The clearest difference is device support: 浙江CA互认 at 2 against 中工上签's —. 浙江CA互认 also leads on iOS requirement (9.2 vs 13.0). On price and in-app purchases there is nothing between them.

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

## The numbers

| Metric | 浙江CA互认 | 中工上签 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 7 months | — |
| Size | 97 MB | 146 MB |
| Requires iOS | **9.2** | 13.0 |
| Devices | **iPhone, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Zhejiang public resources trading center](https://appshunter.io/developer/1583677802) | [Gansu Zhonggong International Tendering Co., Ltd](https://appshunter.io/developer/1829962856) |

## What reviewers say

### 浙江CA互认

[App page](https://appshunter.io/ios/app/ca/id1583677800)

**In-app purchases:** none


### 中工上签

[App page](https://appshunter.io/ios/app/id6749314332)

**In-app purchases:** none


## Frequently asked questions

### Is 浙江CA互认 free?

浙江CA互认 is free to download, with no in-app purchases.

### Is 中工上签 free?

中工上签 is free to download, with no in-app purchases.

---

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