# PDF Scanner vs Guyun

The clearest difference is in-app purchases: Guyun at none against PDF Scanner's 11. Guyun also leads on ads (none vs shown) and update cadence (weekly vs fortnightly). PDF Scanner's advantage is iOS requirement (13 vs 17.0). On price and device support there is nothing between them.

Both are free to download. PDF Scanner sells 11 in-app purchases, starting at $2.99 per 7 days. Guyun asks for nothing beyond the download.

PDF Scanner ships an update fortnightly, Guyun weekly. Both last shipped on October 13, 2026.

## The numbers

| Metric | PDF Scanner | Guyun |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (53 ratings)](https://appshunter.io/ios/app/pdf-scannerfile-scanner-app/id1271646620/reviews)** | — |
| Number of ratings | **53** | — |
| Positive reviews | 48.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 74 MB | 4 MB |
| Requires iOS | **13** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Wuhan Yousigan Technology Co., Ltd](https://appshunter.io/developer/1290096219) | [晖 江](https://appshunter.io/developer/6796150562) |

## What reviewers say

### PDF Scanner

[App page](https://appshunter.io/ios/app/pdf-scannerfile-scanner-app/id1271646620)

Transform your device into a portable scanner to efficiently digitize documents, IDs, and forms. Extract text with OCR, edit content, and export in various formats like PDF, JPG, Word, or TXT. This app enhances productivity for students, professionals, and anyone needing quick document management.

**Highlights:** Text OCR and extraction, Batch scanning, Multi-language translation, High-definition document scanning, ID and card scanning, Form scanning and data analysis, Electronic signatures and watermarks

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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Recognition, unlimite times | $2.99 | per 7 days |
| Recognition, unlimite times | $3.99 | per month |
| Recognition, unlimite times | $5.99 | per month |
| Recognition, unlimite times | $12.99 | per year |
| 3次按次付费功能使用资格 | $0.99 | one-time |
| Recognition, unlimite times | $4.99 | one-time |
| Recognition, unlimite times | $11.99 | one-time |
| Recognition, unlimite times | $15.99 | one-time |
| Two Year Membership | $15.99 | one-time |
| Recognition, unlimite times | $22.99 | one-time |
| Recognition, unlimite times | $29.99 | one-time |


### Guyun

[App page](https://appshunter.io/ios/app/guyun/id6809848348)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is PDF Scanner free?

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

### Is Guyun free?

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

### Do PDF Scanner or Guyun have ads?

PDF Scanner shows ads; Guyun does not.

### Which is updated more often, PDF Scanner or Guyun?

PDF Scanner ships an update fortnightly, and Guyun weekly. Most recently, PDF Scanner was updated on October 13, 2026 and Guyun 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.*