# PDF Scan Master vs PDF Converter Pro Master

The clearest difference is update cadence: PDF Scan Master at every 9 days against PDF Converter Pro Master's every 2 months. PDF Scan Master also leads on iOS requirement (14.0 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PDF Scan Master ships an update every 9 days, PDF Converter Pro Master every 2 months. The most recent releases landed on September 15, 2026 and May 17, 2026 respectively.

## The numbers

| Metric | PDF Scan Master | PDF Converter Pro Master |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 2 months |
| Size | 34 MB | 11 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Deep Jerajbhai Davara](https://appshunter.io/developer/1683267123) | [HK YIHAN TECHNOLOGY CO., LIMITED](https://appshunter.io/developer/1761346342) |

## What reviewers say

### PDF Scan Master

[App page](https://appshunter.io/ios/app/pdf-scan-master/id6448011338)

**Features:** macOS Compatibility

**In-app purchases:** none


### PDF Converter Pro Master

[App page](https://appshunter.io/ios/app/pdf-converter-pro-master/id6612030395)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PDF Scan Master free?

PDF Scan Master is free to download, with no in-app purchases.

### Is PDF Converter Pro Master free?

PDF Converter Pro Master is free to download, with no in-app purchases.

### Do PDF Scan Master or PDF Converter Pro Master have ads?

Neither PDF Scan Master nor PDF Converter Pro Master shows ads.

### Which is updated more often, PDF Scan Master or PDF Converter Pro Master?

PDF Scan Master ships an update every 9 days, and PDF Converter Pro Master every 2 months. Most recently, PDF Scan Master was updated on September 15, 2026 and PDF Converter Pro Master on May 17, 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.*