# Scan QR Code vs PDF Expert Viewer

The clearest difference is in-app purchases: PDF Expert Viewer at none against Scan QR Code's 5. Scan QR Code's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Scan QR Code sells 5 in-app purchases, starting at $4.99 per 7 days. PDF Expert Viewer asks for nothing beyond the download.

Scan QR Code ships an update every 5 days, PDF Expert Viewer weekly. The most recent releases landed on October 15, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Scan QR Code | PDF Expert Viewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (11 ratings)](https://appshunter.io/ios/app/scan-qr-code/id6661017983/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 41.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 5 days** | Weekly |
| Monetization | Free with in-app purchases | — |
| Size | 37 MB | 64 MB |
| Requires iOS | 16.0 | **15** |
| Devices | iPhone, Apple Watch | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Netsis Mobile FZCO](https://appshunter.io/developer/1625553533) | [Chengdu Doudou Oasis Network Technology Co.,Ltd](https://appshunter.io/developer/1776078126) |

## What reviewers say

### Scan QR Code

[App page](https://appshunter.io/ios/app/scan-qr-code/id6661017983)

Instantly scan and decode a wide variety of QR codes and barcodes using your device's camera or media library. Create, save, and share custom QR codes for URLs, Wi-Fi, and more. Access product information and restaurant menus quickly.

**Highlights:** Universal QR and barcode scanning, Scan from camera or media library, Create and share custom QR codes, Product information lookup, Instant menu access, Scan history log, Apple Watch compatibility

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| QR Code Reader | $4.99 | per 7 days |
| QR Code Reader | $4.99 | per 7 days |
| Barcode & QR Scanner | $9.99 | per month |
| Barcode & QR Scanner | $39.99 | per year |
| Barcode & QR Scanner | $49.99 | per year |


### PDF Expert Viewer

[App page](https://appshunter.io/ios/app/pdf-expert-viewer/id6746780454)

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

**In-app purchases:** none


## Frequently asked questions

### Is Scan QR Code free?

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

### Is PDF Expert Viewer free?

PDF Expert Viewer is free to download, with no in-app purchases.

### Do Scan QR Code or PDF Expert Viewer have ads?

PDF Expert Viewer shows ads; Scan QR Code does not.

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

Scan QR Code ships an update every 5 days, and PDF Expert Viewer weekly. Most recently, Scan QR Code was updated on October 15, 2026 and PDF Expert Viewer on October 10, 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.*