# ScanScan(白描) vs PDF Scanner

The clearest difference is review sentiment: ScanScan(白描) at 87% against PDF Scanner's 48%. ScanScan(白描) also leads on ads (none vs shown) and rating (4.8 vs 4.5). PDF Scanner's advantage is update cadence (every 2 weeks vs every 2 months). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. ScanScan(白描) sells 5 one-off in-app purchases and PDF Scanner sells 11 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ScanScan(白描) holds the better App Store score, 4.8 against 4.5. That said, the two scores are not equally well evidenced: ScanScan(白描) has 349 ratings behind it against 53, so its average is the more settled of the two. Written reviews point the same way: 87% of ScanScan(白描)'s written reviews are positive against 48% of PDF Scanner's.

ScanScan(白描) ships an update every 2 months, PDF Scanner every 2 weeks. The most recent releases landed on October 20, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | ScanScan(白描) | PDF Scanner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (349 ratings)](https://appshunter.io/ios/app/scanscan-ocr-text-scanner/id1249901692/reviews)** | [4.5 (53 ratings)](https://appshunter.io/ios/app/pdf-scannerfile-scanner-app/id1271646620/reviews) |
| Number of ratings | **349** | 53 |
| Positive reviews | **86.7% of reviews** | 48.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 47 MB | 75 MB |
| Requires iOS | 15.0 | 15 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [新乐 陶](https://appshunter.io/developer/826439308) | [Wuhan Yousigan Technology Co., Ltd](https://appshunter.io/developer/1290096219) |

## What reviewers say

### ScanScan(白描)

[App page](https://appshunter.io/ios/app/scanscan-ocr-text-scanner/id1249901692)

This app uses advanced machine learning to accurately extract editable text from images and documents. It can also scan and convert documents into clear PDF files, with support for batch processing and multiple languages.

**Highlights:** Machine learning for accurate OCR, Edit and export OCR results (.txt, .docx), Multi-language text recognition, Scan documents to image/PDF, PDF to image conversion, Batch processing (OCR, color filter), Multi-language translation

**Features:** Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Provide food for cat | $2.99 | one-time |
| 普通会员(永久) | $3.99 | one-time |
| 普通会员(优惠) | $3.99 | one-time |
| 黄金会员(优惠) | $3.99 | one-time |
| Senior VIP (Permanent) | $5.99 | one-time |


### 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 |


## Frequently asked questions

### Is ScanScan(白描) free?

ScanScan(白描) is free to download, with in-app purchases available.

### Is PDF Scanner free?

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

### Which has better reviews, ScanScan(白描) or PDF Scanner?

ScanScan(白描) is rated higher. ScanScan(白描) averages 4.8 out of 5 from 349 ratings, while PDF Scanner averages 4.5 from 53 ratings.

### Do ScanScan(白描) or PDF Scanner have ads?

PDF Scanner shows ads; ScanScan(白描) does not.

### Which is updated more often, ScanScan(白描) or PDF Scanner?

ScanScan(白描) ships an update every 2 months, and PDF Scanner every 2 weeks. Most recently, ScanScan(白描) was updated on October 20, 2026 and PDF Scanner on October 21, 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.*