# 青马校园 vs 大唐云信 IM

The clearest difference is update cadence: 大唐云信 IM at daily against 青马校园's monthly. 青马校园's advantage is iOS requirement (12.0 vs 15.0). On price, ads, 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.

青马校园 ships an update monthly, 大唐云信 IM daily. The most recent releases landed on November 4, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | 青马校园 | 大唐云信 IM |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Daily** |
| Size | 187 MB | 89 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Hangzhou Qida Information Technology Co. Ltd.](https://appshunter.io/developer/1317666475) | [Wantong Cross-Border Supply Chain Limited](https://appshunter.io/developer/6805091233) |

## What reviewers say

### 青马校园

[App page](https://appshunter.io/ios/app/id6472999093)

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

**In-app purchases:** none


### 大唐云信 IM

[App page](https://appshunter.io/ios/app/im/id6805091231)

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

**In-app purchases:** none


## Frequently asked questions

### Is 青马校园 free?

青马校园 is free to download, with no in-app purchases.

### Is 大唐云信 IM free?

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

### Do 青马校园 or 大唐云信 IM have ads?

Neither 青马校园 nor 大唐云信 IM shows ads.

### Which is updated more often, 青马校园 or 大唐云信 IM?

青马校园 ships an update monthly, and 大唐云信 IM daily. Most recently, 青马校园 was updated on November 4, 2026 and 大唐云信 IM on November 2, 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.*