# QuizScanner vs PDF Grader PRO

The clearest difference is price: QuizScanner at Free against PDF Grader PRO's $4.99. PDF Grader PRO's advantage is in-app purchases (none vs 8) and update cadence (every 3 days vs fortnightly). On ads, device support and iOS requirement there is nothing between them.

QuizScanner is free to download; PDF Grader PRO costs $4.99 up front. QuizScanner sells 8 in-app purchases, starting at $3.39 per month. PDF Grader PRO asks for nothing beyond the download.

QuizScanner ships an update fortnightly, PDF Grader PRO every 3 days. The most recent releases landed on September 30, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | QuizScanner | PDF Grader PRO |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Fortnightly | **Every 3 days** |
| Size | 139 MB | 12 MB |
| Requires iOS | **16.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [JungSu Park](https://appshunter.io/developer/1761946451) | [Hyeonchan Yu](https://appshunter.io/developer/1857516231) |

## What reviewers say

### QuizScanner

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

**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 |


### PDF Grader PRO

[App page](https://appshunter.io/ios/app/pdf-grader-pro/id6755943630)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is QuizScanner free?

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

### Is PDF Grader PRO free?

PDF Grader PRO costs $4.99, with no in-app purchases.

### Do QuizScanner or PDF Grader PRO have ads?

Both QuizScanner and PDF Grader PRO show ads.

### Which is updated more often, QuizScanner or PDF Grader PRO?

QuizScanner ships an update fortnightly, and PDF Grader PRO every 3 days. Most recently, QuizScanner was updated on September 30, 2026 and PDF Grader PRO 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.*