# PDF Expert Viewer vs Document Scanner

The clearest difference is in-app purchases: PDF Expert Viewer at none against Document Scanner's 4. Document Scanner's advantage is ads (none vs shown) and chart position (#192 vs unranked). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Document Scanner sells 4 in-app purchases, starting at $5.99 per 7 days. PDF Expert Viewer asks for nothing beyond the download.

PDF Expert Viewer ships an update weekly, Document Scanner every 4 days. The most recent releases landed on September 24, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | PDF Expert Viewer | Document Scanner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/document-scanner-pdf-convert/id6747743124/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Weekly | **Every 4 days** |
| Monetization | — | Free with in-app purchases |
| Best chart rank | — | **#192** |
| Size | 64 MB | 85 MB |
| Requires iOS | **15** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Chengdu Doudou Oasis Network Technology Co.,Ltd](https://appshunter.io/developer/1776078126) | [DUY KY TRADING PRODUCTION ONE MEMBER COMPANY LIMITED](https://appshunter.io/developer/964419067) |

## What reviewers say

### PDF Expert Viewer

[App page](https://appshunter.io/ios/app/pdf-expert-viewer/id6746780454)

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

**In-app purchases:** none


### Document Scanner

[App page](https://appshunter.io/ios/app/document-scanner-pdf-convert/id6747743124)

**Currently charting:** #192 Top Free · Utilities (US App Store)

This app is a versatile mobile scanner and PDF converter. It allows users to scan various documents, convert them between formats, and manage files with powerful AI tools. Basic features are free, with premium options for unlimited scans and advanced editing.

**Highlights:** Scan documents, text, QR codes, and IDs, Convert PDF to JPG and vice versa, Compress, merge, and manage PDF files, AI tools for translation and summarization, E-sign documents and add watermarks, Password protection for PDFs

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $5.99 | per 7 days |
| Fash Sale | $5.99 | per 7 days |
| Monthly | $11.99 | per month |
| Yearly | $39.99 | per year |


## Frequently asked questions

### Is PDF Expert Viewer free?

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

### Is Document Scanner free?

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

### Do PDF Expert Viewer or Document Scanner have ads?

PDF Expert Viewer shows ads; Document Scanner does not.

### Which is updated more often, PDF Expert Viewer or Document Scanner?

PDF Expert Viewer ships an update weekly, and Document Scanner every 4 days. Most recently, PDF Expert Viewer was updated on September 24, 2026 and Document Scanner on September 16, 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.*