# PDF Scanner vs 医学城

The clearest difference is in-app purchases: 医学城 at none against PDF Scanner's 10. 医学城 also leads on update cadence (every 3 days vs weekly) and iOS requirement (12.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. PDF Scanner sells 9 in-app purchases, starting at $0.99 per 7 days. 医学城 asks for nothing beyond the download.

PDF Scanner ships an update weekly, 医学城 every 3 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | PDF Scanner | 医学城 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pdf-scannerscan-documents-ocr/id6444020197/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Weekly | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 247 MB | 223 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [WANHUHOU TECHNOLOGIES LIMITED](https://appshunter.io/developer/1651573647) | [武汉圣云医学科技有限公司](https://appshunter.io/developer/1722886192) |

## What reviewers say

### PDF Scanner

[App page](https://appshunter.io/ios/app/pdf-scannerscan-documents-ocr/id6444020197)

Transform your phone into a smart scanner with powerful editing tools. Easily convert documents to various formats, extract text with OCR, restore old photos, and utilize AI for counting and measurement. Ideal for professionals and students needing efficient document management.

**Highlights:** Scan documents to PDF, Word, TXT, PPT, JPG, OCR text recognition and editing, Photo restoration and ID photo maker, AI counting and object measurement, Document editing (crop, rotate, highlight), Paper eraser for handwritten text removal

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 全能扫描王超级VIP会员 | $0.99 | per 7 days |
| 全能扫描王超级VIP会员 | $2.99 | per month |
| 全能扫描王超级VIP会员 | $7.99 | per 7 days |
| AR PDF Scanner | $9.99 | per month |
| 全能扫描王超级VIP会员 | $39.99 | per year |
| 全能扫描王超级VIP会员 | $19.99 | one-time |
| 全能扫描王超级VIP会员 | $24.99 | one-time |
| 全能扫描王超级VIP会员 | $59.99 | one-time |
| 全能扫描王超级VIP会员 | $69.99 | one-time |


### 医学城

[App page](https://appshunter.io/ios/app/id6798487354)

**Features:** macOS Compatibility, 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 医学城 free?

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

### Do PDF Scanner or 医学城 have ads?

Both PDF Scanner and 医学城 show ads.

### Which is updated more often, PDF Scanner or 医学城?

PDF Scanner ships an update weekly, and 医学城 every 3 days. Most recently, PDF Scanner was updated on November 3, 2026 and 医学城 on October 31, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*