# Dencrypt Connex

> Dencrypt Connex (iPhone/iPad app by DENCRYPT ApS.)

- Source: https://appshunter.io/ios/app/dencrypt-connex/id961091070 (this page in markdown: same URL + `.md`)
- Developer: [DENCRYPT ApS](https://appshunter.io/developer/961091069)
- Category: Business, Productivity
- Price: Free
- Age rating: 4+
- Requires: iOS 16.6 · 91 MB
- Languages: Arabic, Catalan, Croatian, Czech, Danish, Dutch, English, Finnish, French, German and 23 more
- Released: 2015-06-22
- Data updated: 2026-08-12
- User reviews in markdown: https://appshunter.io/ios/app/dencrypt-connex/id961091070/reviews.md

## What is Dencrypt Connex?

Dencrypt Connex protects your mobile conversation using the patented, state-of-the-art Dynamic Encryption technology. End-users exchange end-to-end encrypted voice calls and messages over insecure infrastructures, such as mobile networks, and public WIFI-networks.

Dencrypt Connex combines advanced cryptographic technologies with user-friendly operation.  Connex works from commercially available smartphones without a need for additional hardware.
Dencrypt Connex supports an individual, centrally managed phonebook to ensure that only trusted user can communicate.  
Dencrypt Connex is the trusted choice. The solution is developed and produced entirely in Denmark and is Common Criteria certified (EAL4+). Dencrypt Connex communicates via the Dencrypt Server System, which is also Common Criteria certified (EAL2+).

Functional features:
•	Encrypted voice calls and instant messages.
•	Group calls and group messaging.
•	Video calls
•	Content sharing: Photo, video, audio, location.
•	Time-constrained messages.
•	Message delivery status
•	One-touch emergency message.
•	Easy-to-navigate phonebook including favorites.
•	Call history
•	Excellent audio quality.

Security features:
•	End-to-end encrypted voice calls and messages:
	o	AES-256 + Dynamic Encryption in GCM mode.
•	Key management ensuring perfect forward secrecy. 
	o	Voice calls: Key exchange using DTLS-SRTP
	o	Messages: Key exchange X3DH and Double Ratchet
•	Secure storage of chat history and phonebook
	o	AES-256 + Dynamic Encryption (GCM)
	o	Dual keys stored on server and device.
•	Encrypted push notifications
	o	AES256 (CFB)
•	Secure provisioning of new users.
•	Individual, centrally managed phonebook to ensure only trusted. 
•	Mutually authenticated server connections using TLS1.2.


## Version history (last 5 releases)

### 6.11.5 — 2026-08-06

- Improved attachment sharing into the application
- Bugfixes

### 6.11 — 2026-03-02

- Redesigned contacts
- Present dial back when calls are being rejected
- Improved audio quality in poor networks

### 6.10.0 — 2025-12-02

- iOS26 support
- Contact search improvements
- Bug fixes and improvements

### 6.9.3 — 2025-07-02

This is a maintenance and bug fix release

### 6.9 — 2025-06-12

- Device migration, copy existing account and data to a new device
- Improved searching for contacts by applying search filters
- Bugfixes and small improvements

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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 2026-08-12.*