# PDF Converter Scanner Printer vs Duam

The clearest difference is in-app purchases: Duam at none against PDF Converter Scanner Printer's 5. Duam also leads on ads (none vs shown) and update cadence (weekly vs every 3 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. PDF Converter Scanner Printer sells 5 in-app purchases, starting at $1.99 per 7 days. Duam asks for nothing beyond the download.

PDF Converter Scanner Printer ships an update every 3 months, Duam weekly. The most recent releases landed on October 18, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | PDF Converter Scanner Printer | Duam |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (25 ratings)](https://appshunter.io/ios/app/pdf-converter-scanner-printer/id6749176276/reviews)** | — |
| Number of ratings | **25** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 21 MB | 52 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [杨胜 朱](https://appshunter.io/developer/1609009505) | [Duaya](https://appshunter.io/developer/1845700066) |

## What reviewers say

### PDF Converter Scanner Printer

[App page](https://appshunter.io/ios/app/pdf-converter-scanner-printer/id6749176276)

Easily convert photos and images into PDF documents. This tool also functions as a professional scanner, allowing you to capture and digitize physical documents. Share and print your created PDFs directly from your device.

**Highlights:** Convert photos to PDF, Scan documents to PDF, Share PDF files, Print PDF documents, Extract PDF to photos

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly VIP | $1.99 | per 7 days |
| Monthly VIP | $2.99 | per month |
| Yearly VIP | $4.99 | per year |
| Lifetime VIP | $6.99 | one-time |
| Lifetime VIP | $19.99 | one-time |


### Duam

[App page](https://appshunter.io/ios/app/duam/id6755964484)

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

**In-app purchases:** none


## Frequently asked questions

### Is PDF Converter Scanner Printer free?

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

### Is Duam free?

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

### Do PDF Converter Scanner Printer or Duam have ads?

PDF Converter Scanner Printer shows ads; Duam does not.

### Which is updated more often, PDF Converter Scanner Printer or Duam?

PDF Converter Scanner Printer ships an update every 3 months, and Duam weekly. Most recently, PDF Converter Scanner Printer was updated on October 18, 2026 and Duam on October 5, 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.*