# 云信 vs 海草集IM

The clearest difference is ads: 海草集IM at none against 云信's shown. 海草集IM also leads on iOS requirement (10.0 vs 15.6). 云信's advantage is update cadence (weekly vs every 3 weeks). 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.

云信 ships an update weekly, 海草集IM every 3 weeks. The most recent releases landed on October 2, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | 云信 | 海草集IM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (3 ratings)](https://appshunter.io/ios/app/id1523027595/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 3 weeks |
| Size | 68 MB | 135 MB |
| Requires iOS | 15.6 | **10.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [河南信天下网络科技有限公司](https://appshunter.io/developer/1523027597) | [Tianjin Haicaoji Biotechnology Co., Ltd.](https://appshunter.io/developer/1522237926) |

## What reviewers say

### 云信

[App page](https://appshunter.io/ios/app/id1523027595)

**Features:** macOS Compatibility

**In-app purchases:** none


### 海草集IM

[App page](https://appshunter.io/ios/app/im/id6474714535)

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

**In-app purchases:** none


## Frequently asked questions

### Is 云信 free?

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

### Is 海草集IM free?

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

### Do 云信 or 海草集IM have ads?

云信 shows ads; 海草集IM does not.

### Which is updated more often, 云信 or 海草集IM?

云信 ships an update weekly, and 海草集IM every 3 weeks. Most recently, 云信 was updated on October 2, 2026 and 海草集IM on October 7, 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.*