# Flash PDF vs Scan X

The clearest difference is update cadence: Flash PDF at fortnightly against Scan X's every 2 months. Scan X's advantage is iOS requirement (13.0 vs 15.0). On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Flash PDF against 5.0 for Scan X. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Flash PDF ships an update fortnightly, Scan X every 2 months. Both last shipped on October 30, 2026.

## The numbers

| Metric | Flash PDF | Scan X |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/flash-pdffast-readscan/id6742016312/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/scan-x-ai-pdf-scanner-and-ocr/id6748390285/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Ad-supported | Ad-supported |
| Size | 29 MB | 59 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [VISION NETWORK TECHNOLOGY CO.,LIMITED](https://appshunter.io/developer/1717534539) | [Sky Fun](https://appshunter.io/developer/1825604845) |

## 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


### Scan X

[App page](https://appshunter.io/ios/app/scan-x-ai-pdf-scanner-and-ocr/id6748390285)

Transform your device into a powerful scanner to capture documents, extract text with OCR, and organize files into high-quality PDFs. Share your digitized documents instantly via various platforms. Ideal for students and professionals seeking a paperless solution.

**Highlights:** Fast and clear document scanning, OCR text recognition in 20+ languages, Create and edit multi-page PDFs, Import images to create scans, Smart file organization and cloud sync, Easy sharing via email and cloud services

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Flash PDF free?

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

### Is Scan X free?

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

### Which has better reviews, Flash PDF or Scan X?

Flash PDF and Scan X are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Flash PDF or Scan X have ads?

Both Flash PDF and Scan X show ads.

### Which is updated more often, Flash PDF or Scan X?

Flash PDF ships an update fortnightly, and Scan X every 2 months. Most recently, Flash PDF was updated on October 30, 2026 and Scan X on October 30, 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.*