# 海草集IM vs 观涛云信

The clearest difference is iOS requirement: 海草集IM at 10.0 against 观涛云信's 15.5. On price, update cadence, ads 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.

海草集IM ships an update every 3 weeks, 观涛云信 fortnightly. The most recent releases landed on September 19, 2026 and February 26, 2026 respectively.

## The numbers

| Metric | 海草集IM | 观涛云信 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Size | 135 MB | 156 MB |
| Requires iOS | **10.0** | 15.5 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tianjin Haicaoji Biotechnology Co., Ltd.](https://appshunter.io/developer/1522237926) | [安徽观涛软件科技集团有限公司](https://appshunter.io/developer/1708542342) |

## What reviewers say

### 海草集IM

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

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

**In-app purchases:** none


### 观涛云信

[App page](https://appshunter.io/ios/app/id6480368441)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 海草集IM free?

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

### Is 观涛云信 free?

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

### Do 海草集IM or 观涛云信 have ads?

Neither 海草集IM nor 观涛云信 shows ads.

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

海草集IM ships an update every 3 weeks, and 观涛云信 fortnightly. Most recently, 海草集IM was updated on September 19, 2026 and 观涛云信 on February 26, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*