# AI作文宝 vs 21世纪教育网

The clearest difference is in-app purchases: 21世纪教育网 at none against AI作文宝's 6. AI作文宝's advantage is ads (none vs shown) and update cadence (every 3 weeks vs every 3 months). On price and device support there is nothing between them.

Both are free to download. AI作文宝 sells 6 in-app purchases, starting at $6.99 per 7 days. 21世纪教育网 asks for nothing beyond the download.

AI作文宝 ships an update every 3 weeks, 21世纪教育网 every 3 months. The most recent releases landed on October 24, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | AI作文宝 | 21世纪教育网 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Size | 41 MB | 26 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Hefei Zhiji Network Technology Co., Ltd.](https://appshunter.io/developer/1781485908) | [玉恒 王](https://appshunter.io/developer/1896481055) |

## What reviewers say

### AI作文宝

[App page](https://appshunter.io/ios/app/ai/id6738615564)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 订阅周会员 | $6.99 | per 7 days |
| 订阅月会员 | $9.99 | per month |
| 订阅年会员 | $24.99 | per year |
| 3个月会员 | $14.99 | one-time |
| 年卡会员 | $29.99 | one-time |
| 永久会员 | $39.99 | one-time |


### 21世纪教育网

[App page](https://appshunter.io/ios/app/21/id6768590312)

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

**In-app purchases:** none


## Frequently asked questions

### Is AI作文宝 free?

AI作文宝 is free to download, with in-app purchases available.

### Is 21世纪教育网 free?

21世纪教育网 is free to download, with no in-app purchases.

### Do AI作文宝 or 21世纪教育网 have ads?

21世纪教育网 shows ads; AI作文宝 does not.

### Which is updated more often, AI作文宝 or 21世纪教育网?

AI作文宝 ships an update every 3 weeks, and 21世纪教育网 every 3 months. Most recently, AI作文宝 was updated on October 24, 2026 and 21世纪教育网 on November 5, 2026.

---

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