# 雪王工学堂 vs 红圈云

The clearest difference is iOS requirement: 雪王工学堂 at 13.0 against 红圈云's 15.1. 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.

雪王工学堂 ships an update every 3 weeks, 红圈云 every 2 weeks. The most recent releases landed on September 16, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 雪王工学堂 | 红圈云 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Size | 54 MB | 162 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Henan Xuewang Technology Co.,LTD](https://appshunter.io/developer/1603167917) | [Hecom (Beijing) Technology Co., Ltd.](https://appshunter.io/developer/870414888) |

## What reviewers say

### 雪王工学堂

[App page](https://appshunter.io/ios/app/id1603167915)

**Features:** macOS Compatibility

**In-app purchases:** none


### 红圈云

[App page](https://appshunter.io/ios/app/id6447954959)

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

**In-app purchases:** none


## Frequently asked questions

### Is 雪王工学堂 free?

雪王工学堂 is free to download, with no in-app purchases.

### Is 红圈云 free?

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

### Do 雪王工学堂 or 红圈云 have ads?

Neither 雪王工学堂 nor 红圈云 shows ads.

### Which is updated more often, 雪王工学堂 or 红圈云?

雪王工学堂 ships an update every 3 weeks, and 红圈云 every 2 weeks. Most recently, 雪王工学堂 was updated on September 16, 2026 and 红圈云 on October 25, 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.*