# Flash Scan vs PDF Scanner

The clearest difference is ads: PDF Scanner at none against Flash Scan's shown. Flash Scan's advantage is iOS requirement (12.0 vs 17.6). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Flash Scan sells 2 in-app purchases, starting at $5.99 per 7 days and PDF Scanner sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Flash Scan ships an update every 9 days, PDF Scanner every 5 days. The most recent releases landed on October 3, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Flash Scan | PDF Scanner |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 9 days | **Every 5 days** |
| Size | 63 MB | 4 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Sanket Rola](https://appshunter.io/developer/1750511153) | [SUNG HSIANG CHAO](https://appshunter.io/developer/1801925448) |

## What reviewers say

### Flash Scan

[App page](https://appshunter.io/ios/app/flash-scan-pdf-doc-scanner/id6737324289)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDF Scanner One Week | $5.99 | per 7 days |
| PDF Scanner One Year | $44.99 | per year |


### PDF Scanner

[App page](https://appshunter.io/ios/app/pdf-scanner-optic-scan/id6755757455)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Optic Premium Monthly | $3.99 | per month |
| Optic Premium Yearly | $29.99 | per year |


## Frequently asked questions

### Is Flash Scan free?

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

### Is PDF Scanner free?

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

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

Flash Scan shows ads; PDF Scanner does not.

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

Flash Scan ships an update every 9 days, and PDF Scanner every 5 days. Most recently, Flash Scan was updated on October 3, 2026 and PDF Scanner on October 17, 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.*