# 错题plus vs 错题本·学伴

The clearest difference is device support: 错题plus at 2 against 错题本·学伴's —. 错题plus also leads on iOS requirement (12.0 vs 15.0). On price 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 错题本·学伴 sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | 错题plus | 错题本·学伴 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 95.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | — |
| Update frequency | Every 6 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 48 MB | 8 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPod** | — |
| Age rating | 9+ | 4+ |
| Developer | [上海启本信息科技有限公司](https://appshunter.io/developer/1476015216) | [大勇 阎](https://appshunter.io/developer/1068052430) |

## 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 |


### 错题本·学伴

[App page](https://appshunter.io/ios/app/id6448768023)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 包月 | $2.99 | per month |
| 包年 | $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 错题本·学伴 free?

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

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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.*