# 全能错题本 vs 优学错题本

The clearest difference is device support: 全能错题本 at 2 against 优学错题本's —. On price, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. 全能错题本 sells 4 in-app purchases, starting at $2.99 per 7 days and 优学错题本 sells 3 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | 全能错题本 | 优学错题本 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | — |
| Update frequency | Monthly | — |
| Size | 95 MB | 25 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | **iPhone, iPod** | — |
| Age rating | 17+ | 4+ |
| Developer | [丽丽 李](https://appshunter.io/developer/1610077348) | [清清 孔](https://appshunter.io/developer/1740686855) |

## What reviewers say

### 全能错题本

[App page](https://appshunter.io/ios/app/id1670314053)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 连续周卡，18元/周 | $2.99 | per 7 days |
| 连续月卡会员，28元/月 | $3.99 | per month |
| 48元/季度 | $6.99 | per 3 months |
| 168元/年 | $24.99 | per year |


### 优学错题本

[App page](https://appshunter.io/ios/app/id6664059614)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 周会员 | $1.99 | per 7 days |
| 月会员 | $3.99 | per month |
| 年会员 | $19.99 | per year |


## Frequently asked questions

### Is 全能错题本 free?

全能错题本 is free to download, with in-app purchases available.

### Is 优学错题本 free?

优学错题本 is free to download, with in-app purchases available.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*