# 中威.true vs 云企密信Pro

The clearest difference is device support: 云企密信Pro at 2 against 中威.true's —. 中威.true's advantage is iOS requirement (9.0 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 | 中威.true | 云企密信Pro |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 8 days |
| Monetization | — | Free |
| Size | 178 MB | 106 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | — | **iPhone, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Jiangsu Trueway Technology Software Company](https://appshunter.io/developer/534140407) | [Shenzhen Aituosi Network Technology Co., Ltd](https://appshunter.io/developer/1726932857) |

## What reviewers say

### 中威.true

[App page](https://appshunter.io/ios/app/true/id1264414728)

**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 中威.true free?

中威.true 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.

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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.*