# 巧学错题本 vs 错题本·学伴

The clearest difference is in-app purchases: 巧学错题本 at none against 错题本·学伴's 2. 巧学错题本 also leads on device support and iOS requirement (11.0 vs 15.0). On price there is nothing between them.

Both are free to download. 错题本·学伴 sells 2 in-app purchases, starting at $2.99 per month. 巧学错题本 asks for nothing beyond the download.

## The numbers

| Metric | 巧学错题本 | 错题本·学伴 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | — |
| Update frequency | Fortnightly | — |
| Size | 206 MB | 8 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [HuaiAn MaiTuo Network Technology Co. Ltd.](https://appshunter.io/developer/1501829071) | [大勇 阎](https://appshunter.io/developer/1068052430) |

## What reviewers say

### 巧学错题本

[App page](https://appshunter.io/ios/app/id1574590505)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 巧学错题本 free?

巧学错题本 is free to download, with no in-app purchases.

### 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.*