# PDF Scanner Document OCR Tool vs QR Code Generator

The clearest difference is in-app purchases: PDF Scanner Document OCR Tool at none against QR Code Generator's 3. QR Code Generator's advantage is update cadence (every 9 days vs every 5 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. QR Code Generator sells 3 in-app purchases, starting at $3.99 per month. PDF Scanner Document OCR Tool asks for nothing beyond the download.

PDF Scanner Document OCR Tool ships an update every 5 months, QR Code Generator every 9 days. The most recent releases landed on September 9, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | PDF Scanner Document OCR Tool | QR Code Generator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 5 months | **Every 9 days** |
| Size | 76 MB | 54 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jay Shah](https://appshunter.io/developer/1778283174) | [Wave Color LLC](https://appshunter.io/developer/1800206590) |

## What reviewers say

### PDF Scanner Document OCR Tool

[App page](https://appshunter.io/ios/app/pdf-scanner-document-ocr-tool/id6753100427)

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

**In-app purchases:** none


### QR Code Generator

[App page](https://appshunter.io/ios/app/qr-code-generator-qr-engine/id6757194664)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| QR Code Generator vip | $3.99 | per month |
| QR code Generator unlimited use. | $17.99 | per year |
| Qr code Generator unlimited use. | $34.99 | one-time |


## Frequently asked questions

### Is PDF Scanner Document OCR Tool free?

PDF Scanner Document OCR Tool is free to download, with no in-app purchases.

### Is QR Code Generator free?

QR Code Generator is free to download, with in-app purchases available.

### Do PDF Scanner Document OCR Tool or QR Code Generator have ads?

Both PDF Scanner Document OCR Tool and QR Code Generator show ads.

### Which is updated more often, PDF Scanner Document OCR Tool or QR Code Generator?

PDF Scanner Document OCR Tool ships an update every 5 months, and QR Code Generator every 9 days. Most recently, PDF Scanner Document OCR Tool was updated on September 9, 2026 and QR Code Generator on September 14, 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.*