# CryptoTec SAM — Blockchain communication

> Secure, end-to-end encrypted communication with Blockchain ID and Web of Trust. (iPhone/iPad app by CryptoTec Industrial GmbH.)

- Source: https://appshunter.io/ios/app/cryptotec-sam/id1382750659 (this page in markdown: same URL + `.md`)
- Developer: [CryptoTec Industrial GmbH](https://appshunter.io/developer/1441441300)
- Category: Social Networking
- Price: Free
- Rating: 5.00/5 from 3 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 9.3 · 43 MB
- Languages: American English, German (Germany)
- Released: 2018-05-27
- Data updated: 2026-08-03
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/cryptotec-sam/id1382750659/reviews.md

## What is CryptoTec SAM?

CryptoTec SAM is a secure communication system for a tap-proof exchange of messages and data. All of course end-to-end encrypted and absolutely protected from unauthorized third-party access. The confidentiality of all data transferred via SAM is ensured by the possibility to confirm contacts yourself through a Web of Trust. SAM offers you your personal Blockchain ID – your multifunctional, cryptographic key ring. The encrypted and manipulation-proof data exchange becomes merely a child’s play with CryptoTec SAM: secure – fast – easy.

## Key features

- End-to-end encrypted messaging
- Tap-proof data exchange
- Web of Trust for contact confirmation
- Personal Blockchain ID
- Cryptographic key ring
- Manipulation-proof data transfer

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/cryptotec-sam/id1382750659/reviews.md

### 5/5 — This app

*2018-05-24*

Seems to be way ahead of its time. I never right reviews but met one of the founders at a conference. Really impressive work the ecosystem needs genuine tech like this!

## Frequently asked questions about CryptoTec SAM

### What is CryptoTec SAM?

CryptoTec SAM is a secure communication system designed for tap-proof exchange of messages and data. It utilizes end-to-end encryption and a Web of Trust for contact confirmation to ensure absolute protection from unauthorized access.

### How does CryptoTec SAM ensure privacy?

Privacy is ensured through end-to-end encryption for all data transferred. Additionally, the app uses a Web of Trust feature, allowing users to confirm contacts themselves, further safeguarding against unauthorized third-party access.

### What is the Blockchain ID in CryptoTec SAM?

The Blockchain ID serves as your personal, multifunctional, cryptographic key ring within CryptoTec SAM. It is integral to enabling encrypted and manipulation-proof data exchange.

### Is CryptoTec SAM available on multiple devices?

Yes, CryptoTec SAM is supported on iPhone, iPad, and iPod devices, allowing for secure communication across your Apple ecosystem.

### How often is CryptoTec SAM updated?

The latest version of CryptoTec SAM is 5.1.0, which was last updated on August 18, 2020. While updates have not been frequent recently, the app is designed for reliable and secure performance.

### What is the age rating for CryptoTec SAM?

CryptoTec SAM has an age rating of 4+, making it suitable for a wide range of users. This rating indicates general appropriateness for most audiences.

### Does CryptoTec SAM have ads?

No, CryptoTec SAM does not contain advertisements. The app is completely free to use and does not display any ads to its users.

### What do users like about CryptoTec SAM?

Users appreciate the app's strong focus on security, end-to-end encryption, and the innovative use of Blockchain ID and Web of Trust for verified communication. The ease of use for secure data exchange is also a key positive.

## Version history (last 5 releases)

### 5.1.0 — 2020-08-18

This update improves the user interface.

### 5.0.0 — 2020-07-11

This update improves the user interface.

### 4.2.1 — 2019-03-09

This update improves user interface and app stability.

### 4.2.0 — 2018-11-08

This update improves user interface and app stability.

### 4.0.0 — 2018-05-30

Thank you for using Cipherbook.
This update brings you general improvements for file transfers and for the authenticity confirmation process.

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*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 2026-08-03.*