# 歌舞艺术 vs 错题本·学伴

The clearest difference is in-app purchases: 歌舞艺术 at none against 错题本·学伴's 2. 歌舞艺术 also leads on device support and iOS requirement (9.0 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. 歌舞艺术 asks for nothing beyond the download.

## The numbers

| Metric | 歌舞艺术 | 错题本·学伴 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | — |
| Update frequency | Fortnightly | — |
| Size | 30 MB | 8 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | **iPhone, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [北京天下亿众科技有限公司](https://appshunter.io/developer/1003585522) | [大勇 阎](https://appshunter.io/developer/1068052430) |

## What reviewers say

### 歌舞艺术

[App page](https://appshunter.io/ios/app/id1526634147)

**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 歌舞艺术 free?

歌舞艺术 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.*