# 鸿信 vs 海草集IM

The clearest difference is iOS requirement: 海草集IM at 10.0 against 鸿信's 13. 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.

鸿信 ships an update every 9 days, 海草集IM every 3 weeks. The most recent releases landed on October 18, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | 鸿信 | 海草集IM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id1595471885/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 3 weeks |
| Size | 171 MB | 135 MB |
| Requires iOS | 13 | **10.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [攀 张](https://appshunter.io/developer/1590506515) | [Tianjin Haicaoji Biotechnology Co., Ltd.](https://appshunter.io/developer/1522237926) |

## What reviewers say

### 鸿信

[App page](https://appshunter.io/ios/app/id1595471885)

**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 鸿信 free?

鸿信 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 鸿信 or 海草集IM have ads?

Neither 鸿信 nor 海草集IM shows ads.

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

鸿信 ships an update every 9 days, and 海草集IM every 3 weeks. Most recently, 鸿信 was updated on October 18, 2026 and 海草集IM on October 7, 2026.

---

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