# QR Code Inspector vs PDF Scan

The clearest difference is in-app purchases: QR Code Inspector at none against PDF Scan's 3. QR Code Inspector also leads on ads (none vs shown) and iOS requirement (13.0 vs 18.6). On price, update cadence and device support there is nothing between them.

Both are free to download. PDF Scan sells 3 in-app purchases, starting at $19.99 per year. QR Code Inspector asks for nothing beyond the download.

QR Code Inspector ships an update every 6 weeks, PDF Scan every 2 months. The most recent releases landed on September 20, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | QR Code Inspector | PDF Scan |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Size | 20 MB | 34 MB |
| Requires iOS | **13.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SSI](https://appshunter.io/developer/1788786420) | [TOKYOBAY K.K.](https://appshunter.io/developer/1512596297) |

## What reviewers say

### QR Code Inspector

[App page](https://appshunter.io/ios/app/qr-code-inspector/id6740181697)

**Features:** macOS Compatibility

**In-app purchases:** none


### PDF Scan

[App page](https://appshunter.io/ios/app/pdf-scan-document-scanner/id6740241933)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual Subscription | $19.99 | per year |
| Annual Pro+  Subscription | $29.99 | per year |
| Lifetime Access | $19.99 | one-time |


## Frequently asked questions

### Is QR Code Inspector free?

QR Code Inspector is free to download, with no in-app purchases.

### Is PDF Scan free?

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

### Do QR Code Inspector or PDF Scan have ads?

PDF Scan shows ads; QR Code Inspector does not.

### Which is updated more often, QR Code Inspector or PDF Scan?

QR Code Inspector ships an update every 6 weeks, and PDF Scan every 2 months. Most recently, QR Code Inspector was updated on September 20, 2026 and PDF Scan on September 8, 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.*