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Screenshots

  • StealthTalk Private Messenger screenshot 1
  • StealthTalk Private Messenger screenshot 2
  • StealthTalk Private Messenger screenshot 3
  • StealthTalk Private Messenger screenshot 4

About StealthTalk Private Messenger

StealthTalk is a private messenger designed to meet high demands of business- and privacy-minded professionals. Based on a patented SDNP protocol developed for professional use in telecommunications, StealthTalk bridges the gap between professional and consumer security solutions. KEY FEATURES Secure Voice Calls Make secure calls with exceptional voice quality, even with slow internet connection speeds based on TETRA professional communication standards and SDNP protocol. Secure Messages Exchange true end-to-end encrypted messages with all sensitive message data encryption and decryption taking place entirely on the user device. Self-Destruct Messages Send confidential messages that are erased automatically after a selected period of time. Stealth Mode Protected stealth environment for sensitive calls and messages that requires users to enter their password to preview messages or receive calls. PRIVACY & SECURITY End-to-End Encryption All communication within StealthTalk is always protected with end-to-end encryption powered by a patented SDNP protocol that uses ECC 512, AES 256 and SHA-3 512 as primitives. Zero-Knowledge Proof StealthTalk knows nothing about the content of your messages or calls. User data is not collected or stored on StealthTalk servers and cannot be analyzed, sold or disclosed. Professional Telecommunications Technology StealthTalk communication security is based on the patented, tried and field-tested SDNP protocol developed for and used in professional telecommunications. REQUIRED PERMISSIONS StealthTalk requires the following permissions to deliver its private messaging services and ensure all features are operational. • Contacts: Contacts permission is used to match you with your contacts using phone number hashes. StealthTalk does not monetize, collect or store your address book data. • Microphone: Microphone access is required to make secure voice calls • Bluetooth & Location: Bluetooth and location access is needed to locate devices close to you and enable encryption key exchange. • Camera: Camera access is needed to add new contacts via QR code and send pictures with the built-in camera. • Storage: Storage access is needed to store images and files that you receive in chats. For additional information and suggestions, please contact [email protected]

Ratings & reviews

3.8

10 ratings

5 ★ 60% 4 ★ 0% 3 ★ 20% 2 ★ 0% 1 ★ 20%

What’s new

Version 1.18.107 · Updated April 21, 2025

- bug fixes and UI improvements

App privacy

The developer, StealthTalk Inc., reported these privacy practices to Apple.

Data Not Linked to You

The following data, which may be collected but is not linked to your identity, may be used for the following purposes:

  • Usage Data: Product Interaction
  • Contact Info: Email Address, Phone Number
  • Diagnostics: Crash Data

Used for: Analytics, App Functionality

Alternatives to StealthTalk Private Messenger

Looking for apps like StealthTalk Private Messenger? Here are 6 similar apps on the App Store. The highest rated is IMMUNE Messenger (5.0/5), and all 6 are free to download.

StealthTalk Private Messenger vs. alternatives
App Rating Price Last updated
StealthTalk Private Messenger 3.8 / 5 (10 ratings) Free April 21, 2025
Crypviser Secure Messenger 4.5 / 5 (80) Free Feb 1, 2024
Pryvate: Encrypted Messenger 4.3 / 5 (72) Free Sep 23, 2026
Biocoded 4.4 / 5 (5) Free Jun 1, 2026
IMMUNE Messenger 5.0 / 5 (1) Free Sep 8, 2025
Biocoded Private 5.0 / 5 (2) Free Jun 4, 2026
Crypty - Secure communications 3.0 / 5 (2) Free Jun 11, 2026