# 私信 vs 云信IM

私信 and 云信IM are too close to call on the numbers: across 8 compared parameters — price, review sentiment, update cadence and ads among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

私信 ships an update every 3 weeks, 云信IM every 5 weeks. The most recent releases landed on September 9, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | 私信 | 云信IM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sechat/id1378942732/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Monetization | Free | Free |
| Size | 17 MB | 153 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [香港鳳凰互聯網科技有限公司](https://appshunter.io/developer/1238227716) | [杭州网易质云科技有限公司](https://appshunter.io/developer/1385930520) |

## What reviewers say

### 私信

[App page](https://appshunter.io/ios/app/sechat/id1378942732)

A secure instant messaging app built with end-to-end encryption for businesses and organizations. It offers standard chat features along with advanced data protection and clearing functions. A free version is available, with a paid enterprise option for enhanced services.

**Highlights:** End-to-end encryption, Text, emoji, voice, and image chat, Data protection and clearing, Group management, Instant announcements, Message recall and do not disturb

**In-app purchases:** none


### 云信IM

[App page](https://appshunter.io/ios/app/im/id6479977952)

Experience a demonstration of instant messaging capabilities powered by NetEase Yunxin. This demo app showcases features like conversations, contact lists, and session management, built on over two decades of IM technology.

**Highlights:** Instant messaging service demo, Conversation management, Session list display, Contact book functionality, Real-time network capabilities, SDK and API integration

**In-app purchases:** none


## Frequently asked questions

### Is 私信 free?

私信 is free to download, with no in-app purchases.

### Is 云信IM free?

云信IM is free to download, with no in-app purchases.

### Do 私信 or 云信IM have ads?

Neither 私信 nor 云信IM shows ads.

### Which is updated more often, 私信 or 云信IM?

私信 ships an update every 3 weeks, and 云信IM every 5 weeks. Most recently, 私信 was updated on September 9, 2026 and 云信IM on September 20, 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.*