# 纠错大师 vs 高豆豆

The clearest difference is iOS requirement: 高豆豆 at 13.0 against 纠错大师's 15.0. 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.

纠错大师 ships an update fortnightly, 高豆豆 every 3 weeks. The most recent releases landed on October 25, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | 纠错大师 | 高豆豆 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (6 ratings)](https://appshunter.io/ios/app/id6504750834/reviews)** |
| Number of ratings | — | **6** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Size | 99 MB | 426 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [杭州扶志科技有限公司](https://appshunter.io/developer/1651860833) | [北京爱学习成达科技有限公司](https://appshunter.io/developer/1753674529) |

## What reviewers say

### 纠错大师

[App page](https://appshunter.io/ios/app/ai/id6444046564)

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

**In-app purchases:** none


### 高豆豆

[App page](https://appshunter.io/ios/app/id6504750834)

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

**In-app purchases:** none


## Frequently asked questions

### Is 纠错大师 free?

纠错大师 is free to download, with no in-app purchases.

### Is 高豆豆 free?

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

### Do 纠错大师 or 高豆豆 have ads?

Neither 纠错大师 nor 高豆豆 shows ads.

### Which is updated more often, 纠错大师 or 高豆豆?

纠错大师 ships an update fortnightly, and 高豆豆 every 3 weeks. Most recently, 纠错大师 was updated on October 25, 2026 and 高豆豆 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.*