# 错题plus vs 试卷还原

The clearest difference is review sentiment: 错题plus at 95% against 试卷还原's 67%. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. 错题plus sells 4 one-off in-app purchases and 试卷还原 sells 3 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

错题plus ships an update every 6 weeks, 试卷还原 monthly. The most recent releases landed on October 6, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | 错题plus | 试卷还原 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **95.0% of reviews** | 66.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 48 MB | 42 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 9+ | 4+ |
| Developer | [上海启本信息科技有限公司](https://appshunter.io/developer/1476015216) | [赐如 陈](https://appshunter.io/developer/1683064711) |

## What reviewers say

### 错题plus

[App page](https://appshunter.io/ios/app/plus/id1476015217)

This app helps students manage and review their mistakes. It allows you to scan and organize incorrect answers, receive personalized study plans, and access micro-lessons and practice problems based on your weak areas. It aims to improve learning through targeted review and reinforcement.

**Highlights:** Scan and organize incorrect answers, AI-powered problem solving and explanations, Personalized study plans, Micro-lessons for knowledge points, Extensive question bank, Printable practice sheets and custom exams

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 首月优惠价 | $1.99 | one-time |
| VIP包月 | $9.99 | one-time |
| 团购VIP包年 | $49.99 | one-time |
| VIP包年 | $59.99 | one-time |


### 试卷还原

[App page](https://appshunter.io/ios/app/id6740397374)

This app helps students organize their study materials by quickly clearing handwriting from test papers and questions. It allows for easy categorization of incorrect answers and the ability to combine specific questions for printing.

**Highlights:** Clear handwriting from test papers, Organize incorrect answers by subject, Combine and print selected questions, Restore test papers and questions, Categorize and manage study materials

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 周会员 | $2.99 | per 7 days |
| 月会员 | $4.99 | per month |
| 年会员 | $24.99 | per year |


## Frequently asked questions

### Is 错题plus free?

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

### Is 试卷还原 free?

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

### Do 错题plus or 试卷还原 have ads?

Neither 错题plus nor 试卷还原 shows ads.

### Which is updated more often, 错题plus or 试卷还原?

错题plus ships an update every 6 weeks, and 试卷还原 monthly. Most recently, 错题plus was updated on October 6, 2026 and 试卷还原 on October 8, 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.*