# QuizScanner vs 오답노트AI

The clearest difference is ads: 오답노트AI at none against QuizScanner's shown. 오답노트AI also leads on update cadence (every 2 days vs fortnightly). QuizScanner's advantage is iOS requirement (16.0 vs 18.0). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. QuizScanner sells 8 in-app purchases, starting at $3.39 per month and 오답노트AI sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

QuizScanner ships an update fortnightly, 오답노트AI every 2 days. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | QuizScanner | 오답노트AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/quizscanner/id6743001948/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 2 days** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 139 MB | 33 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [JungSu Park](https://appshunter.io/developer/1761946451) | [2Labs](https://appshunter.io/developer/1089573745) |

## What reviewers say

### QuizScanner

[App page](https://appshunter.io/ios/app/quizscanner/id6743001948)

Instantly scan test papers and receive AI-powered explanations for each question. Organize problems by subject and focus on incorrect answers for targeted revision. Ideal for students, teachers, and parents seeking smarter study methods.

**Highlights:** Test paper scanning with AI recognition, Automatic subject categorization, AI-powered question explanations, Save wrong answers for review, Organized learning experience

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1-Month Lite Subscription 100 | $3.39 | per month |
| 1개월 프리미엄 구독권 | $3.99 | per month |
| 1-Month Lite Subscription 200 | $4.99 | per month |
| 1-Month Premium Subscription | $9.99 | per month |
| 3-Month Premium Subscription | $19.99 | per 3 months |
| 1년 프리미엄 구독권 | $28.90 | per year |
| 20 Premium Plus Gems | $0.99 | one-time |
| 50 Premium Plus Gems | $1.99 | one-time |


### 오답노트AI

[App page](https://appshunter.io/ios/app/ai-ai/id6787683753)

This app uses AI to automatically create personalized study notes and practice tests from your incorrect answers. Simply photograph your mistakes, and the AI will transcribe them, organize them by subject, and generate similar problems for further practice. It also offers an AI tutor for instant help and tracks your progress with weekly reports.

**Highlights:** AI-generated study notes from photos, Automatic organization by subject and unit, Personalized practice tests with similar problems, AI tutor for instant help with questions, Spaced repetition for review, Weekly progress reports, Printable PDF test creation

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 오답노트AI Pro 월간 | $9.99 | per month |
| 오답노트AI Pro 연간 | $79.99 | per year |


## Frequently asked questions

### Is QuizScanner free?

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

### Is 오답노트AI free?

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

### Do QuizScanner or 오답노트AI have ads?

QuizScanner shows ads; 오답노트AI does not.

### Which is updated more often, QuizScanner or 오답노트AI?

QuizScanner ships an update fortnightly, and 오답노트AI every 2 days. Most recently, QuizScanner was updated on October 28, 2026 and 오답노트AI on October 31, 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.*