# PDF Master vs Image to PDF Convertor,Scanner

The clearest difference is rating: PDF Master at 5.0 against Image to PDF Convertor,Scanner's 3.7. Image to PDF Convertor,Scanner's advantage is in-app purchases (none vs 6) and ratings volume (6 vs 1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. PDF Master sells 6 in-app purchases, starting at $0.99 per 7 days. Image to PDF Convertor,Scanner asks for nothing beyond the download.

PDF Master holds the better App Store score, 5.0 against 3.7. That said, the two scores are not equally well evidenced: Image to PDF Convertor,Scanner has 6 ratings behind it against 1, so its average is the more settled of the two.

PDF Master ships an update every 15 months, Image to PDF Convertor,Scanner every 14 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | PDF Master | Image to PDF Convertor,Scanner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pdf-master-reader-and-converter/id1645087890/reviews)** | [3.7 (6 ratings)](https://appshunter.io/ios/app/image-to-pdf-convertorscanner/id6497229603/reviews) |
| Number of ratings | 1 | **6** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 14 months** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 8 MB | 5 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [程 张](https://appshunter.io/developer/1523996955) | [深圳市影盟科技有限公司](https://appshunter.io/developer/1741307915) |

## What reviewers say

### PDF Master

[App page](https://appshunter.io/ios/app/pdf-master-reader-and-converter/id1645087890)

Transform your mobile device into a powerful PDF editor and scanner. Convert various file types to PDF, edit documents, add signatures, merge files, and secure sensitive information with passwords. Enjoy on-device processing for enhanced privacy.

**Highlights:** Convert Word, Excel, PowerPoint, and images to PDF, Scan documents with OCR for searchable text, Edit, comment, and e-sign PDFs, Merge and split PDF files, Compress documents, Password protect sensitive files, On-device processing for privacy

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDF转换器Pro周VIP | $0.99 | per 7 days |
| PDF转换器Pro月会员 | $3.99 | per month |
| Weekly PDF Premium | $7.99 | per 7 days |
| PDF转换器Pro年会员 | $12.99 | per year |
| Monthly PDF Premium | $12.99 | per month |
| Annual PDF Premium | $29.99 | per year |


### Image to PDF Convertor,Scanner

[App page](https://appshunter.io/ios/app/image-to-pdf-convertorscanner/id6497229603)

Convert PDF documents into editable Word, Excel, PPT, and TXT files. This professional software offers stable performance and high-quality conversion to meet your document editing needs.

**Highlights:** Convert PDF to Word, Convert PDF to Excel, Convert PDF to PPT, Convert PDF to TXT, One-click conversion, Stable performance

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

**In-app purchases:** none


## Frequently asked questions

### Is PDF Master free?

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

### Is Image to PDF Convertor,Scanner free?

Image to PDF Convertor,Scanner is free to download, with no in-app purchases.

### Which has better reviews, PDF Master or Image to PDF Convertor,Scanner?

PDF Master is rated higher. PDF Master averages 5.0 out of 5 from 1 ratings, while Image to PDF Convertor,Scanner averages 3.7 from 6 ratings.

### Do PDF Master or Image to PDF Convertor,Scanner have ads?

Neither PDF Master nor Image to PDF Convertor,Scanner shows ads.

### Which is updated more often, PDF Master or Image to PDF Convertor,Scanner?

PDF Master ships an update every 15 months, and Image to PDF Convertor,Scanner every 14 months. Most recently, PDF Master was updated on November 3, 2026 and Image to PDF Convertor,Scanner on October 30, 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.*