# 多云教研室 vs 知半

The clearest difference is update cadence: 知半 at monthly against 多云教研室's every 8 months. 多云教研室's advantage is iOS requirement (9.0 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.

多云教研室 ships an update every 8 months, 知半 monthly. The most recent releases landed on October 11, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | 多云教研室 | 知半 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Monthly** |
| Size | 97 MB | 100 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [阳 高](https://appshunter.io/developer/1503296978) | [Beijing InDeep Network Technology Co., Ltd](https://appshunter.io/developer/1701401534) |

## What reviewers say

### 多云教研室

[App page](https://appshunter.io/ios/app/plus/id1588049570)

**Features:** macOS Compatibility

**In-app purchases:** none


### 知半

[App page](https://appshunter.io/ios/app/id6748591708)

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

**In-app purchases:** none


## Frequently asked questions

### Is 多云教研室 free?

多云教研室 is free to download, with no in-app purchases.

### Is 知半 free?

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

### Do 多云教研室 or 知半 have ads?

Neither 多云教研室 nor 知半 shows ads.

### Which is updated more often, 多云教研室 or 知半?

多云教研室 ships an update every 8 months, and 知半 monthly. Most recently, 多云教研室 was updated on October 11, 2026 and 知半 on October 6, 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.*