# 马蹄课 vs 错题本·学伴

The clearest difference is iOS requirement: 马蹄课 at 10.0 against 错题本·学伴's 15.0. On price and in-app purchases there is nothing between them.

Both are free to download. 马蹄课 sells 7 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 | 马蹄课 | 错题本·学伴 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Size | 7 MB | 8 MB |
| Requires iOS | **10.0** | 15.0 |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Saida Education Consulting Co., Ltd.](https://appshunter.io/developer/1067545861) | [大勇 阎](https://appshunter.io/developer/1068052430) |

## What reviewers say

### 马蹄课

[App page](https://appshunter.io/ios/app/id1335914219)

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 马蹄课288元课程 | $45.99 | one-time |
| 马蹄课588元课程 | $89.99 | one-time |
| 马蹄课698元课程 | $109.99 | one-time |
| 马蹄课1198元课程 | $179.99 | one-time |
| 马蹄课2999元课程 | $399.99 | one-time |
| 马蹄课3999元课程 | $599.99 | one-time |
| 马蹄课6999元课程 | $999.99 | 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 马蹄课 free?

马蹄课 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.*