# 豆神AI vs 小四门宝典

The clearest difference is in-app purchases: 小四门宝典 at none against 豆神AI's 8. 豆神AI's advantage is update cadence (weekly vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 豆神AI sells 8 one-off in-app purchases. 小四门宝典 asks for nothing beyond the download.

豆神AI ships an update weekly, 小四门宝典 monthly. The most recent releases landed on October 30, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | 豆神AI | 小四门宝典 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (4 ratings)](https://appshunter.io/ios/app/ai/id6504237557/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 217 MB | 76 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [北京知明而行网络科技有限公司](https://appshunter.io/developer/1714577434) | [北京贝趣科技有限责任公司](https://appshunter.io/developer/1458314757) |

## What reviewers say

### 豆神AI

[App page](https://appshunter.io/ios/app/ai/id6504237557)

This app offers AI-powered digital content and learning tools for Chinese youth, focusing on language arts development. It utilizes a proprietary AI model to enhance reading comprehension and writing skills, providing personalized learning plans and instant AI assistance.

**Highlights:** AI reading comprehension assistance, AI writing tools and guidance, Personalized learning plans, AI-powered knowledge search, Color-based writing method, Video lectures and expert Q&A

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1悟性石 | $0.99 | one-time |
| 100悟性石 | $14.99 | one-time |
| 200悟性石 | $29.99 | one-time |
| 500悟性石 | $69.99 | one-time |
| 1000悟性石 | $149.99 | one-time |
| 2999悟性石 | $399.99 | one-time |
| 3999悟性石 | $599.99 | one-time |
| 4999悟性石 | $699.99 | one-time |


### 小四门宝典

[App page](https://appshunter.io/ios/app/id6737684650)

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

**In-app purchases:** none


## Frequently asked questions

### Is 豆神AI free?

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

### Is 小四门宝典 free?

小四门宝典 is free to download, with no in-app purchases.

### Do 豆神AI or 小四门宝典 have ads?

Neither 豆神AI nor 小四门宝典 shows ads.

### Which is updated more often, 豆神AI or 小四门宝典?

豆神AI ships an update weekly, and 小四门宝典 monthly. Most recently, 豆神AI was updated on October 30, 2026 and 小四门宝典 on October 27, 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.*