# 错题plus vs 巧学错题本

The clearest difference is in-app purchases: 巧学错题本 at none against 错题plus's 4. 巧学错题本 also leads on update cadence (fortnightly vs every 6 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 错题plus sells 4 one-off in-app purchases. 巧学错题本 asks for nothing beyond the download.

错题plus ships an update every 6 weeks, 巧学错题本 fortnightly. The most recent releases landed on September 12, 2026 and September 5, 2026 respectively.

## The numbers

| Metric | 错题plus | 巧学错题本 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Fortnightly** |
| Size | 48 MB | 206 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 9+ | 4+ |
| Developer | [Shanghai Qiben Information Technology Co., Ltd.](https://appshunter.io/developer/1476015216) | [HuaiAn MaiTuo Network Technology Co. Ltd.](https://appshunter.io/developer/1501829071) |

## What reviewers say

### 错题plus

[App page](https://appshunter.io/ios/app/plus/id1476015217)

**Features:** macOS Compatibility

**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 |


### 巧学错题本

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 错题plus free?

错题plus is free to download, with in-app purchases available.

### Is 巧学错题本 free?

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

### Do 错题plus or 巧学错题本 have ads?

Neither 错题plus nor 巧学错题本 shows ads.

### Which is updated more often, 错题plus or 巧学错题本?

错题plus ships an update every 6 weeks, and 巧学错题本 fortnightly. Most recently, 错题plus was updated on September 12, 2026 and 巧学错题本 on September 5, 2026.

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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.*