# PRIVUS SecurLine Messenger — Secure, private communications

> Secure, private, encrypted communication and device protection app. (iPhone/iPad app by Bit Armor AG.)

- Source: https://appshunter.io/ios/app/privus-securline-messenger/id1058944160 (this page in markdown: same URL + `.md`)
- Developer: [Bit Armor AG](https://appshunter.io/developer/1058944159)
- Category: Productivity, Utilities
- Price: Free
- Rating: 5.00/5 from 2 App Store ratings · 2 written reviews indexed
- Age rating: 4+
- Requires: iOS 17.6 · 68 MB
- Languages: American English, European Portuguese
- Released: 2015-12-09
- Data updated: 2026-07-21
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/privus-securline-messenger/id1058944160/reviews.md

## What is PRIVUS SecurLine Messenger?

Keep your messages and calls absolutely private with PRIVUS SecurLine. Take your privacy back under control and ensure that no one can listen in on your audio and video conference calls or read your messages and attachments. Now also featuring enhanced device protection and emergency wipe!

SecurLine by PRIVUS has been developed with privacy at its core. It is the most advanced, secure, private and encrypted HD quality voice, video and messaging application for the iPhone, with end-to-end encrypted conference calling, post quantum encryption, end-to-end encrypted group chats with file transfers, voice memos and disappearing messages. And on top anti-malware and anti-forensics app protection so only you have access to your data even if crossing into a "hostile" location..

Highly intuitive and easy to use, SecurLine does not compromise on security. Implementation of state-of-the-art, open source encryption over a peer-to-peer, zero knowledge architecture ensures calls are sent directly between devices to enable the highest levels of privacy with HD quality, verifiably secure communications.


IMPORTANT NOTE

PRIVUS SecurLine is free to download. Its use is subject to a licensing agreement. To acquire a licence, please ask your customer service representative or contact info@privus.io

## Key features

- End-to-end encrypted messaging
- HD voice and video calls
- Post-quantum encryption
- Disappearing messages
- File transfers
- Enhanced device protection
- Emergency wipe

## Recent user reviews (2 of 2)

All indexed reviews: https://appshunter.io/ios/app/privus-securline-messenger/id1058944160/reviews.md

### 5/5 — Great addition to secure communication

*2020-07-20*

Like the app does what is intended to give a private communication line !

### 5/5 — Solid app

*2019-11-05*

Have been using this for some time as part of our law firm’s focus on privacy. Very intuitive and easy to use and works in Dubai! We have access to their independent security audit. Like their “privacy through transparency” philosophy.

## Frequently asked questions about PRIVUS SecurLine Messenger

### What is PRIVUS SecurLine Messenger?

PRIVUS SecurLine Messenger is a free application designed for secure and private communications. It offers end-to-end encrypted messaging, voice, and video calls, along with advanced device protection features.

### Is PRIVUS SecurLine Messenger free to use?

PRIVUS SecurLine Messenger is free to download. Its use is subject to a licensing agreement, which can be acquired by contacting the developer or your customer service representative.

### What kind of encryption does PRIVUS SecurLine Messenger use?

The app utilizes state-of-the-art, open-source encryption, including post-quantum encryption, over a peer-to-peer, zero-knowledge architecture to ensure the highest levels of privacy and security for all communications.

### Does PRIVUS SecurLine Messenger have ads?

No, PRIVUS SecurLine Messenger does not contain advertisements. The app is ad-free, focusing solely on providing a secure and private communication experience.

### What devices does PRIVUS SecurLine Messenger support?

PRIVUS SecurLine Messenger is available for iPhone and iPad devices, ensuring secure communication across Apple's mobile platforms.

### How often is PRIVUS SecurLine Messenger updated?

The latest version of PRIVUS SecurLine Messenger, version 4.6, was last updated on June 7, 2026. This indicates a commitment to ongoing development and security enhancements.

### What are the privacy features of PRIVUS SecurLine Messenger?

PRIVUS SecurLine Messenger prioritizes privacy with end-to-end encryption for all messages and calls, disappearing messages, and enhanced device protection including anti-malware and anti-forensics capabilities.

### What is the user sentiment for PRIVUS SecurLine Messenger?

Based on the available data, PRIVUS SecurLine Messenger has a perfect rating of 5.0 stars from 2 ratings, suggesting a highly positive user sentiment among its current users.

## Version history (last 5 releases)

### 4.7 — 2026-07-08

Major stability update: fixes several crashes at startup and in encrypted conversations, resolves a rare issue that could freeze the app at launch, improves message delivery reliability, fixes notification taps not opening conversations, missed-call alerts on locked devices, and video display in calls. Includes security hardening.

### 4.6 — 2026-06-07

- Updated SDK
- Updated anti-forensics and anti-tampering to remove jailbreak detection false positives on iOS 26.6
- Misc bug fixes

### 4.4 — 2026-05-29

- Another attempt to finally fix some edge cases where the message encryption keys lose sync

### 4.3 — 2026-05-27

- Fixed the elusive bug where sometimes the message encryption keys lose sync

### 4.2 — 2026-05-20

- Calls now connect reliably even on restrictive networks
- Redesigned in-call indicators show how your call is routed and protected
- Quality-of-life improvements throughout the app

## Apps similar to PRIVUS SecurLine Messenger

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [SLYGUARD](https://appshunter.io/ios/app/slyguard/id1558203198) | 4.6 (28) | Free | Productivity |
| [Triton](https://appshunter.io/ios/app/triton/id1470285616) | — | Free | Productivity |
| [Encrypt-it](https://appshunter.io/ios/app/encrypt-it/id1482079558) | — | Free | Productivity |
| [Kaymera](https://appshunter.io/ios/app/kaymera/id1156805464) | 4.0 (4) | Free | Productivity |
| [VNCtalk](https://appshunter.io/ios/app/vnctalk/id1400937435) | — | Free | Productivity |
| [Assac ShieldiT](https://appshunter.io/ios/app/assac-shieldit/id1464394174) | 2.3 (3) | Free | Productivity |

## More apps by Bit Armor AG

- [SecurVault by Privus](https://appshunter.io/ios/app/securvault-by-privus/id1458997635)
- [PRIVUS SecurVid](https://appshunter.io/ios/app/privus-securvid/id1556499668)

All apps by Bit Armor AG: https://appshunter.io/developer/1058944159

---

*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 2026-07-21.*