# 99课堂 vs 99围棋

The clearest difference is in-app purchases: 99课堂 at none against 99围棋's 5. 99课堂 also leads on iOS requirement (10.0 vs 12.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 99围棋 sells 5 in-app purchases, starting at $17.99 per month. 99课堂 asks for nothing beyond the download.

99课堂 ships an update monthly, 99围棋 every 3 weeks. The most recent releases landed on September 28, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | 99课堂 | 99围棋 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Size | 182 MB | 130 MB |
| Requires iOS | **10.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [西安九九云教育科技有限公司](https://appshunter.io/developer/1413663363) | [Shenzhen Zhiyu Psychological Consultation Co., Ltd](https://appshunter.io/developer/1744860797) |

## What reviewers say

### 99课堂

[App page](https://appshunter.io/ios/app/99/id1531982199)

**Features:** macOS Compatibility

**In-app purchases:** none


### 99围棋

[App page](https://appshunter.io/ios/app/99/id6502276554)

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 连续包季 | $17.99 | per month |
| 连续包季 | $24.99 | per 3 months |
| 连续包年 | $34.99 | per year |
| 月度会员 | $19.99 | one-time |
| 年度会员 | $29.99 | one-time |


## Frequently asked questions

### Is 99课堂 free?

99课堂 is free to download, with no in-app purchases.

### Is 99围棋 free?

99围棋 is free to download, with in-app purchases available.

### Do 99课堂 or 99围棋 have ads?

Neither 99课堂 nor 99围棋 shows ads.

### Which is updated more often, 99课堂 or 99围棋?

99课堂 ships an update monthly, and 99围棋 every 3 weeks. Most recently, 99课堂 was updated on September 28, 2026 and 99围棋 on September 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.*