# 手机阅卷王 vs 错题本

The clearest difference is in-app purchases: 手机阅卷王 at none against 错题本's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 错题本 sells 2 in-app purchases, starting at $1.99 per month. 手机阅卷王 asks for nothing beyond the download.

手机阅卷王 ships an update every 3 months, 错题本 every 2 months. The most recent releases landed on September 17, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | 手机阅卷王 | 错题本 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.2 (5 ratings)](https://appshunter.io/ios/app/id6448860597/reviews)** |
| Number of ratings | — | **5** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | — | Freemium |
| Size | 5 MB | 46 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [建清 罗](https://appshunter.io/developer/1585591655) | [深圳市美易网科技有限公司](https://appshunter.io/developer/1647736306) |

## What reviewers say

### 手机阅卷王

[App page](https://appshunter.io/ios/app/id1585604342)

**Features:** macOS Compatibility

**In-app purchases:** none


### 错题本

[App page](https://appshunter.io/ios/app/id6448860597)

This learning tool helps students and parents efficiently manage incorrect answers from homework and tests. It uses advanced technology to quickly capture, organize, and review mistakes, making studying smarter and more effective.

**Highlights:** Photo capture of incorrect answers, Automatic removal of handwriting, Subject-based categorization, Detailed breakdown of questions and solutions, Custom practice test generation, Daily review for targeted learning

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 连续包月 | $1.99 | per month |
| 连续包年 | $9.99 | per year |


## Frequently asked questions

### Is 手机阅卷王 free?

手机阅卷王 is free to download, with no in-app purchases.

### Is 错题本 free?

错题本 is free to download, with in-app purchases available.

### Do 手机阅卷王 or 错题本 have ads?

Neither 手机阅卷王 nor 错题本 shows ads.

### Which is updated more often, 手机阅卷王 or 错题本?

手机阅卷王 ships an update every 3 months, and 错题本 every 2 months. Most recently, 手机阅卷王 was updated on September 17, 2026 and 错题本 on September 19, 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.*