# PDF Expert Viewer vs ScanFusion

The clearest difference is ads: ScanFusion at none against PDF Expert Viewer's shown. ScanFusion also leads on update cadence (every 2 days vs weekly). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PDF Expert Viewer ships an update weekly, ScanFusion every 2 days. The most recent releases landed on October 10, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | PDF Expert Viewer | ScanFusion |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/scanfusion-ocr/id6754587600/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Weekly | **Every 2 days** |
| Monetization | — | Free |
| Size | 64 MB | 12 MB |
| Requires iOS | 15 | 15 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Chengdu Doudou Oasis Network Technology Co.,Ltd](https://appshunter.io/developer/1776078126) | [超 莫](https://appshunter.io/developer/1675813134) |

## What reviewers say

### PDF Expert Viewer

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

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

**In-app purchases:** none


### ScanFusion

[App page](https://appshunter.io/ios/app/scanfusion-ocr/id6754587600)

This utility rapidly decodes QR codes with precision, offering a seamless and efficient scanning experience. It prioritizes privacy by processing all scans locally on your device.

**Highlights:** Quick and reliable QR code scanning, Works in any lighting conditions, Lightweight with minimal battery/data usage, Intuitive and simple operation, Privacy-focused local processing

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PDF Expert Viewer free?

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

### Is ScanFusion free?

ScanFusion is free to download, with no in-app purchases.

### Do PDF Expert Viewer or ScanFusion have ads?

PDF Expert Viewer shows ads; ScanFusion does not.

### Which is updated more often, PDF Expert Viewer or ScanFusion?

PDF Expert Viewer ships an update weekly, and ScanFusion every 2 days. Most recently, PDF Expert Viewer was updated on October 10, 2026 and ScanFusion on October 11, 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.*