# Scan Master vs PDF转换器

The clearest difference is ads: PDF转换器 at none against Scan Master's shown. PDF转换器 also leads on iOS requirement (12.0 vs 14.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Scan Master sells 1 one-off in-app purchase and PDF转换器 sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on August 25, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | Scan Master | PDF转换器 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/scan-master-doc-scanner/id1064830365/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 11 MB | 9 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GURUPRITSINGH SAINI](https://appshunter.io/developer/610312153) | [Jiujiu Service Co., Ltd.](https://appshunter.io/developer/1664391586) |

## What reviewers say

### Scan Master

[App page](https://appshunter.io/ios/app/scan-master-doc-scanner/id1064830365)

This app allows you to scan documents into high-quality PDFs or images. It offers features for file transfer, conversion of various file types to PDF, and a robust PDF reader. You can easily share, print, or save your scanned documents for future use.

**Highlights:** Scan documents to PDF/image, Optimize scan quality, File transfer via USB/WIFI, Convert various file types to PDF, Advanced PDF reader, Document viewer for multiple formats, Email and print documents

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Advertisements | $1.99 | one-time |


### PDF转换器

[App page](https://appshunter.io/ios/app/pdf-pdf/id1669152511)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月会员 | $3.99 | per month |
| 年会员 | $12.99 | per year |
| 永久会员 | $14.99 | one-time |


## Frequently asked questions

### Is Scan Master free?

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

### Is PDF转换器 free?

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

### Do Scan Master or PDF转换器 have ads?

Scan Master shows ads; PDF转换器 does not.

### Which is updated more often, Scan Master or PDF转换器?

Scan Master ships an update every 2 months, and PDF转换器 every 2 months. Most recently, Scan Master was updated on August 25, 2026 and PDF转换器 on September 7, 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.*