# Scan Master vs Scan King

The clearest difference is in-app purchases: Scan King at none against Scan Master's 2. Scan King also leads on update cadence (every 4 days vs every 9 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Scan Master sells 2 in-app purchases, starting at $5.99 per 7 days. Scan King asks for nothing beyond the download.

Scan Master ships an update every 9 months, Scan King every 4 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Scan Master | Scan King |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 4 days** |
| Size | 74 MB | 15 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [DEVXART LTD](https://appshunter.io/developer/1839661859) | [Shenzhen Tenghai Information Technology Co., LTD](https://appshunter.io/developer/1889364628) |

## What reviewers say

### Scan Master

[App page](https://appshunter.io/ios/app/scan-master-pdf-scanner/id6755078522)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $5.99 | per 7 days |
| Yearly Premium | $49.99 | per year |


### Scan King

[App page](https://appshunter.io/ios/app/scan-king-ocrscanner-and-pdfeditor/id6761813494)

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

**In-app purchases:** none


## Frequently asked questions

### Is Scan Master free?

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

### Is Scan King free?

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

### Do Scan Master or Scan King have ads?

Neither Scan Master nor Scan King shows ads.

### Which is updated more often, Scan Master or Scan King?

Scan Master ships an update every 9 months, and Scan King every 4 days. Most recently, Scan Master was updated on October 30, 2026 and Scan King 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.*