# PDF Reader vs ScanFlash

The clearest difference is update cadence: PDF Reader at every 10 days against ScanFlash's monthly. PDF Reader also leads on chart position (#68 vs unranked). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. PDF Reader sells 2 in-app purchases, starting at $5.99 per 7 days and ScanFlash sells 6 in-app purchases, starting at $1.49 per 7 days. Whichever you choose, the download price is not the number that matters.

PDF Reader ships an update every 10 days, ScanFlash monthly. The most recent releases landed on October 18, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | PDF Reader | ScanFlash |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (316 ratings)](https://appshunter.io/ios/app/pdf-reader-ocr-scan-edit/id6754001880/reviews)** | — |
| Number of ratings | **316** | — |
| Positive reviews | 42.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 10 days** | Monthly |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#68** | — |
| Size | 72 MB | 128 MB |
| Requires iOS | **15.6** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Fuzhou Jiange Technology Co., Ltd.](https://appshunter.io/developer/1821346905) | [Ian Eduardo Vega Ortega](https://appshunter.io/developer/1881728193) |

## What reviewers say

### PDF Reader

[App page](https://appshunter.io/ios/app/pdf-reader-ocr-scan-edit/id6754001880)

**Currently charting:** #68 Top Free · Productivity (US App Store)

This mobile app acts as a PDF office assistant, offering features for editing, scanning, and optical character recognition. It allows for easy document management, page manipulation, and conversion of images and paper documents into editable digital files.

**Highlights:** PDF Editing, Image to PDF conversion, Import PDF files, OCR Text Recognition, Add, delete, rearrange pages, Filters, highlights, annotations

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDF Reader Ad-Free | $5.99 | per 7 days |
| PDF Reader Ad-Free | $29.99 | per year |


### ScanFlash

[App page](https://appshunter.io/ios/app/scanflash-pdf-scanner-and-ocr/id6761666885)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ScanFlash Pro Weekly | $1.49 | per 7 days |
| ScanFlash Pro Weekly Offered | $1.79 | per 7 days |
| ScanFlash Pro | $4.99 | per month |
| ScanFlash Pro Monthly Offered | $5.39 | per month |
| ScanFlash Pro Annual | $34.99 | per year |
| ScanFlash Pro Annual Offered | $42.99 | per year |


## Frequently asked questions

### Is PDF Reader free?

PDF Reader is free to download, with in-app purchases available.

### Is ScanFlash free?

ScanFlash is free to download, with in-app purchases available.

### Do PDF Reader or ScanFlash have ads?

Both PDF Reader and ScanFlash show ads.

### Which is updated more often, PDF Reader or ScanFlash?

PDF Reader ships an update every 10 days, and ScanFlash monthly. Most recently, PDF Reader was updated on October 18, 2026 and ScanFlash on October 13, 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.*