# 试卷宝 vs 纠错大师

The clearest difference is in-app purchases: 纠错大师 at none against 试卷宝's 8. 纠错大师 also leads on ads (none vs shown). 试卷宝's advantage is iOS requirement (13.0 vs 15.0). On price, update cadence and device support there is nothing between them.

Both are free to download. 试卷宝 sells 8 in-app purchases, starting at $0.99 per month. 纠错大师 asks for nothing beyond the download.

试卷宝 ships an update every 3 weeks, 纠错大师 fortnightly. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 试卷宝 | 纠错大师 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (266 ratings)](https://appshunter.io/ios/app/id1497704413/reviews)** | — |
| Number of ratings | **266** | — |
| Positive reviews | 66.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Size | 320 MB | 99 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Danatech Inc.](https://appshunter.io/developer/1024936664) | [杭州扶志科技有限公司](https://appshunter.io/developer/1651860833) |

## What reviewers say

### 试卷宝

[App page](https://appshunter.io/ios/app/id1497704413)

This app helps students and educators process and organize study materials. It can remove handwriting from scanned papers, create digital error books from photos of mistakes, and generate custom practice tests based on specific topics or incorrect answers. Users can also convert scanned documents to editable Word files and store everything securely in the cloud.

**Highlights:** Remove handwriting from scanned papers, Create digital error books from photos, Generate custom practice tests, Convert scanned documents to Word, Cloud storage for study materials, AI-powered question generation

**Features:** Vision Pro support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 试卷宝8GB容量套餐连续包月 | $0.99 | per month |
| 连续包月 | $2.49 | per month |
| 试卷宝连续订阅月卡 | $2.49 | per month |
| 试卷宝SVIP连续包月 | $3.99 | per month |
| 试卷宝8GB容量套餐连续包年 | $6.99 | per year |
| 年度VIP会员 | $23.99 | per year |
| 试卷宝连续订阅年卡 | $24.99 | per year |
| 试卷宝SVIP连续包年 | $39.99 | per year |


### 纠错大师

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

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

**In-app purchases:** none


## Frequently asked questions

### Is 试卷宝 free?

试卷宝 is free to download, with in-app purchases available.

### Is 纠错大师 free?

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

### Do 试卷宝 or 纠错大师 have ads?

试卷宝 shows ads; 纠错大师 does not.

### Which is updated more often, 试卷宝 or 纠错大师?

试卷宝 ships an update every 3 weeks, and 纠错大师 fortnightly. Most recently, 试卷宝 was updated on October 30, 2026 and 纠错大师 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.*