# 城信客户端 vs 云企密信Pro

The clearest difference is ads: 云企密信Pro at none against 城信客户端's shown. 云企密信Pro also leads on update cadence (every 8 days vs every 3 weeks) and iOS requirement (13.0 vs 15.0). On price, 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.

城信客户端 ships an update every 3 weeks, 云企密信Pro every 8 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | 城信客户端 | 云企密信Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (8 ratings)](https://appshunter.io/ios/app/id1342206383/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | — | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 8 days** |
| Monetization | — | Free |
| Size | 211 MB | 106 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [南京魔苹网络科技公司](https://appshunter.io/developer/1331831924) | [Shenzhen Aituosi Network Technology Co., Ltd](https://appshunter.io/developer/1726932857) |

## What reviewers say

### 城信客户端

[App page](https://appshunter.io/ios/app/id1342206383)

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

**In-app purchases:** none


### 云企密信Pro

[App page](https://appshunter.io/ios/app/pro/id6476509633)

This secure messaging app prioritizes user privacy with end-to-end encryption for chats and calls. It offers features like self-destructing messages and files, and supports large group chats for up to 10,000 users.

**Highlights:** End-to-end encryption, Self-destructing messages, Scheduled file destruction, Two-way message deletion, Anti-eavesdropping technology, Large group chats (up to 10,000), Multi-language support

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 城信客户端 free?

城信客户端 is free to download, with no in-app purchases.

### Is 云企密信Pro free?

云企密信Pro is free to download, with no in-app purchases.

### Do 城信客户端 or 云企密信Pro have ads?

城信客户端 shows ads; 云企密信Pro does not.

### Which is updated more often, 城信客户端 or 云企密信Pro?

城信客户端 ships an update every 3 weeks, and 云企密信Pro every 8 days. Most recently, 城信客户端 was updated on October 24, 2026 and 云企密信Pro on October 24, 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.*