# StealthTalk: Private Messenger

Android app · by StealthTalk Inc · Communication

StealthTalk: Private Messenger has 57,526 installs (+0.2% in the 30 days to 2026-10-30), rated 4.1 from 225 ratings, \#4,058 of 56,099 in Communication.

## Figures

- Installs: 57,526
- Rating: 4.1 · 225 ratings
- Price: Free
- In-app purchases: yes
- 7-day growth in installs: +12 (+0.0%) (+28 over 16.4 days)
- 30-day growth in installs: +88 (+0.2%)
- Rank: #241,012 of 2,879,162 Android listings with an install count (down 7,140 since 2026-11-01)
- Rank: #4,058 of 56,099 in Communication

## Is StealthTalk: Private Messenger safe?

StoreTally doesn't rate safety. Here's what the store and our tracking show:

- Listed on Google Play.
- Made by StealthTalk Inc; developer website listed: stealthtalk.com.
- On Google Play since 2019-08-27. Last updated 2026-03-30.
- Rated 4.1 from 225 ratings.

## Reviews

- Ratings by stars: 5★ 63% · 4★ 15% · 3★ 7% · 2★ 1% · 1★ 14% (219 ratings)

## Description

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 support@stealthtalk.com

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Source: https://storetally.com/android/com.app.stealthtalk  
As of 2026-11-10, from the StoreTally census.