# MKH Protocols vs Scan to PDF Scanner

The clearest difference is in-app purchases: MKH Protocols at none against Scan to PDF Scanner's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Scan to PDF Scanner sells 3 in-app purchases, starting at $1.99 per 7 days. MKH Protocols asks for nothing beyond the download.

MKH Protocols ships an update every 3 weeks, Scan to PDF Scanner fortnightly. The most recent releases landed on October 25, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | MKH Protocols | Scan to PDF Scanner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (31 ratings)](https://appshunter.io/ios/app/scan-to-pdf-scanner-scanlygo/id6756326673/reviews)** |
| Number of ratings | — | **31** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 29 MB | 17 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Omar Alrashed](https://appshunter.io/developer/1777578190) | [Said Rehouni](https://appshunter.io/developer/1493336841) |

## What reviewers say

### MKH Protocols

[App page](https://appshunter.io/ios/app/mkh-protocols/id6742514914)

**Features:** macOS Compatibility

**In-app purchases:** none


### Scan to PDF Scanner

[App page](https://appshunter.io/ios/app/scan-to-pdf-scanner-scanlygo/id6756326673)

Easily scan documents, convert images to PDF, and protect your files with passwords. This tool allows for quick creation, management, and sharing of PDF documents for various everyday needs.

**Highlights:** Scan photos to PDF, Convert images to PDF, Protect PDFs with passwords, Unlock protected PDFs, Share PDFs easily, Create PDFs from receipts and notes

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDF Scanner and Converter | $1.99 | per 7 days |
| PDF Scanner and Converter | $19.99 | per year |
| PDF Scanner and Converter Life time | $34.99 | one-time |


## Frequently asked questions

### Is MKH Protocols free?

MKH Protocols is free to download, with no in-app purchases.

### Is Scan to PDF Scanner free?

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

### Do MKH Protocols or Scan to PDF Scanner have ads?

Neither MKH Protocols nor Scan to PDF Scanner shows ads.

### Which is updated more often, MKH Protocols or Scan to PDF Scanner?

MKH Protocols ships an update every 3 weeks, and Scan to PDF Scanner fortnightly. Most recently, MKH Protocols was updated on October 25, 2026 and Scan to PDF 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.*