# Flash PDF vs PDF Viewer

The clearest difference is ads: PDF Viewer at none against Flash PDF's shown. 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.

## The numbers

| Metric | Flash PDF | PDF Viewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/flash-pdffast-readscan/id6742016312/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | — |
| Monetization | Ad-supported | — |
| Size | 29 MB | 71 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [VISION NETWORK TECHNOLOGY CO.,LIMITED](https://appshunter.io/developer/1717534539) | [Chengdu Mulinshen Technology Co., Ltd](https://appshunter.io/developer/1856488734) |

## What reviewers say

### Flash PDF

[App page](https://appshunter.io/ios/app/flash-pdffast-readscan/id6742016312)

Easily convert photos and images into PDF documents. Merge multiple PDFs into one or split large files into smaller ones. Streamline your document processing with a simple and intuitive interface.

**Highlights:** Photo to PDF conversion, Image to PDF conversion, Merge PDF files, Split PDF files, Intuitive interface

**Features:** macOS Compatibility

**In-app purchases:** none


### PDF Viewer

[App page](https://appshunter.io/ios/app/pdf-viewer-ultrapdf/id6755807685)

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

**In-app purchases:** none


## Frequently asked questions

### Is Flash PDF free?

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

### Is PDF Viewer free?

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

### Do Flash PDF or PDF Viewer have ads?

Flash PDF shows ads; PDF Viewer does not.

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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.*