# 巨洲云CC vs 电子签约4.0

The clearest difference is update cadence: 巨洲云CC at every 3 weeks against 电子签约4.0's every 27 months. 巨洲云CC also leads on iOS requirement (8.0 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.

巨洲云CC ships an update every 3 weeks, 电子签约4.0 every 27 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | 巨洲云CC | 电子签约4.0 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cc/id1267209951/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 27 months |
| Monetization | Free | — |
| Size | 238 MB | 39 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [北京鑫巨科技有限公司](https://appshunter.io/developer/1267209950) | [Shanghai Genyan Network Technology Co., Ltd.](https://appshunter.io/developer/1108275017) |

## What reviewers say

### 巨洲云CC

[App page](https://appshunter.io/ios/app/cc/id1267209951)

This business communication tool provides secure and stable instant messaging for enterprises. It supports cross-platform chat with various message types and group functionalities, alongside organizational structure management and integration with OA and ERP systems for a unified mobile office experience.

**Highlights:** Secure and stable instant messaging, Cross-platform chat support, Rich message types (text, voice, video, files), Group chat and organizational management, OA and ERP system integration, Mobile office functionalities (approvals, attendance, tasks)

**Features:** macOS Compatibility, Siri integration

**In-app purchases:** none


### 电子签约4.0

[App page](https://appshunter.io/ios/app/40/id1626788054)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 巨洲云CC free?

巨洲云CC is free to download, with no in-app purchases.

### Is 电子签约4.0 free?

电子签约4.0 is free to download, with no in-app purchases.

### Do 巨洲云CC or 电子签约4.0 have ads?

Neither 巨洲云CC nor 电子签约4.0 shows ads.

### Which is updated more often, 巨洲云CC or 电子签约4.0?

巨洲云CC ships an update every 3 weeks, and 电子签约4.0 every 27 months. Most recently, 巨洲云CC was updated on November 3, 2026 and 电子签约4.0 on November 3, 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.*