# CorrectNote vs 巧学错题本

The clearest difference is price: 巧学错题本 at Free against CorrectNote's $1.99. 巧学错题本 also leads on update cadence (fortnightly vs every 9 months). CorrectNote's advantage is iOS requirement (8.0 vs 11.0). On ads, in-app purchases and device support there is nothing between them.

巧学错题本 is free to download; CorrectNote costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

CorrectNote ships an update every 9 months, 巧学错题本 fortnightly. The most recent releases landed on September 22, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | CorrectNote | 巧学错题本 |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Fortnightly** |
| Monetization | Paid | — |
| Size | 32 MB | 206 MB |
| Requires iOS | **8.0** | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [祁庆 吴](https://appshunter.io/developer/801931888) | [HuaiAn MaiTuo Network Technology Co. Ltd.](https://appshunter.io/developer/1501829071) |

## What reviewers say

### CorrectNote

[App page](https://appshunter.io/ios/app/correctnote/id904820413)

This app serves as a digital corrections notebook for students, allowing them to capture mistakes with photos and record error causes and corrections. It provides an accessible way to review learned material anytime, anywhere, eliminating the risk of losing a physical notebook.

**Highlights:** Digital corrections notebook, Capture mistakes with photos, Input error causes and corrections, Review corrections anytime, Eliminates lost paper notebooks

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### 巧学错题本

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CorrectNote free?

CorrectNote costs $1.99, with no in-app purchases.

### Is 巧学错题本 free?

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

### Do CorrectNote or 巧学错题本 have ads?

Neither CorrectNote nor 巧学错题本 shows ads.

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

CorrectNote ships an update every 9 months, and 巧学错题本 fortnightly. Most recently, CorrectNote was updated on September 22, 2026 and 巧学错题本 on October 7, 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.*