# PDF Scanner OCR vs Duna's AI Scanner

The clearest difference is in-app purchases: Duna's AI Scanner at none against PDF Scanner OCR's 1. Duna's AI Scanner also leads on update cadence (daily vs every 3 months). PDF Scanner OCR's advantage is ads (none vs shown) and device support (3 vs 1). On price there is nothing between them.

Both are free to download. PDF Scanner OCR sells 1 one-off in-app purchase. Duna's AI Scanner asks for nothing beyond the download.

PDF Scanner OCR ships an update every 3 months, Duna's AI Scanner daily. The most recent releases landed on October 25, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | PDF Scanner OCR | Duna's AI Scanner |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Daily** |
| Size | 19 MB | 7 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Hany Elmehy](https://appshunter.io/developer/959484887) | [Nam Vu Hoai](https://appshunter.io/developer/1886460444) |

## What reviewers say

### PDF Scanner OCR

[App page](https://appshunter.io/ios/app/pdf-scanner-ocr-smart-scan/id6756897437)

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Access | $3.99 | one-time |


### Duna's AI Scanner

[App page](https://appshunter.io/ios/app/dunas-ai-scanner/id6770083068)

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

**In-app purchases:** none


## Frequently asked questions

### Is PDF Scanner OCR free?

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

### Is Duna's AI Scanner free?

Duna's AI Scanner is free to download, with no in-app purchases.

### Do PDF Scanner OCR or Duna's AI Scanner have ads?

Duna's AI Scanner shows ads; PDF Scanner OCR does not.

### Which is updated more often, PDF Scanner OCR or Duna's AI Scanner?

PDF Scanner OCR ships an update every 3 months, and Duna's AI Scanner daily. Most recently, PDF Scanner OCR was updated on October 25, 2026 and Duna's AI Scanner on September 26, 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.*