# Protocol O: Document Scanner — Secure Channel Activated

> Secure, private document scanner for encrypted PDF creation and local storage. (iPhone/iPad app by Galina Pashchenko.)

- Source: https://appshunter.io/ios/app/protocol-o-document-scanner/id6468364673 (this page in markdown: same URL + `.md`)
- Developer: [Galina Pashchenko](https://appshunter.io/developer/1855388327)
- Category: Business, Utilities
- Price: Free with in-app purchases (on sale, was $4.95)
- Rating: 1.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 17.6 · 4 MB
- Languages: Arabic, Catalan, Czech, Danish, Dutch, English, Finnish, French, German, Greek and 22 more
- Released: 2023-10-02
- Data updated: 2026-06-10
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/protocol-o-document-scanner/id6468364673/reviews.md

## What is Protocol O?

Transform your iPhone or iPad into a secure document gateway with Protocol O: Document Scanner — the tool for fast, reliable, and private document digitization.
Built for professionals, researchers, students, and field agents — Protocol O enables high-resolution scanning of black & white or full-color documents directly into encrypted PDF format. Every scan is stored locally in a secure archive that supports up to 10,000 files — no external cloud, no leaks, no compromises.

## Key features

- Secure document digitization
- Encrypted PDF format
- High-resolution scanning
- Local file storage
- Supports up to 10,000 files

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| 1 Month Premium Pro | $2.99 | per month |



## Frequently asked questions about Protocol O

### What is Protocol O: Document Scanner used for?

Protocol O: Document Scanner transforms your iPhone or iPad into a secure gateway for digitizing documents. It allows you to create high-resolution, encrypted PDF files of your documents and stores them locally on your device.

### How many documents can Protocol O: Document Scanner store?

The app's secure archive supports storing up to 10,000 files locally on your device, ensuring your documents are kept private and secure without relying on external cloud services.

### Is Protocol O: Document Scanner free to use?

Protocol O: Document Scanner is free to download and use. It offers in-app purchases, including a '1 Month Premium Pro' subscription for $2.99/P1M, which likely unlocks additional features or capabilities.

### What devices does Protocol O: Document Scanner support?

Protocol O: Document Scanner is designed for use on Apple devices, specifically supporting both iPhone and iPad.

### Does Protocol O: Document Scanner have ads?

Based on the provided data, Protocol O: Document Scanner does not have advertisements. Its monetization model is based on free usage with optional in-app purchases.

### How often is Protocol O: Document Scanner updated?

The latest version of Protocol O: Document Scanner is 0.0.71, which was last updated on March 21, 2026. This indicates a recent update, suggesting ongoing development and maintenance.

### What is the age rating for Protocol O: Document Scanner?

Protocol O: Document Scanner has an age rating of 4+, making it suitable for a wide range of users, including children, for general document scanning tasks.

### What makes Protocol O: Document Scanner secure?

Security is a core feature, with documents being digitized directly into encrypted PDF format and stored locally. This 'no external cloud, no leaks, no compromises' approach ensures maximum privacy for your scanned information.

## Version history (last 5 releases)

### 0.0.71 — 2026-03-21

Optimized for iOS 26 and accelerated document scanning.

### 0.0.58 — 2025-04-03

Optimized for iOS 18

### 0.0.57 — 2025-04-02

Optimized for iOS 18

### 0.0.53 — 2024-09-24

improved performance, increased scanning speed

### 0.0.49 — 2024-06-22

improved performance, increased scanning speed

## Apps similar to Protocol O

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Convert Image to PDF ScannerMe](https://appshunter.io/ios/app/convert-image-to-pdf-scannerme/id1533513410) | 4.7 (172) | Free | Business |
| [Seyarti - سيارتي](https://appshunter.io/ios/app/seyarti/id6445893816) | 5.0 (6) | Free | Business |
| [BN Plus](https://appshunter.io/ios/app/bn-plus/id1642474722) | 3.2 (195) | Free | Business |
| [Baro Recorder](https://appshunter.io/ios/app/baro-recorder/id6541753681) | 5.0 (2) | $3.99 | Business |
| [HEIC to JPG ™](https://appshunter.io/ios/app/heic-to-jpg/id6480182781) | 4.4 (38) | Free | Business |
| [AI Language Translator Offline](https://appshunter.io/ios/app/ai-language-translator-offline/id6450320828) | 4.6 (79) | Free | Business |

## More apps by Galina Pashchenko

- [РБЦ - RBC Music & HolyChords](https://appshunter.io/ios/app/rbc-music-and-holychords/id6475737690)
- [Акафистник: все акафисты App](https://appshunter.io/ios/app/app/id6768346604)

All apps by Galina Pashchenko: https://appshunter.io/developer/1855388327

---

*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*