StealthTalk: Private Messenger

Secure. Private. Professional

StealthTalk Inc. · com.app.stealthtalk

4.0 out of 5 (2 ratings) 50K+ downloads v1.18.14 178.8 MB Android 7.0+ PEGI 3 · Everyone

Download APK 178.8 MB All versions

Signature matches the Google Play version Details

Watch the StealthTalk: Private Messenger trailer on YouTube

StealthTalk: Private Messenger screenshot 1

StealthTalk: Private Messenger screenshot 2

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StealthTalk: Private Messenger screenshot 5

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StealthTalk: Private Messenger screenshot 7

StealthTalk: Private Messenger screenshot 8

At a glance

Latest version: v1.18.14 (118014)
Updated: Mar 31, 2026 (6 months ago)
APK size: 178.8 MB
Requires: Android 7.0+ (API 24)
CPU support: x86 32-bit, x86 64-bit, ARM 32-bit, ARM 64-bit
Graphics: OpenGL ES 2.0+
Category: Communication (app)
Listed since: May 24, 2021 (at least)
Permissions: 41 (9 sensitive)
Website: stealthtalk.com
Developer contact: [email protected]
Privacy: Developer's privacy policy

About this APK

StealthTalk: Private Messenger is an app by StealthTalk Inc. in the Communication category, listed since at least May 2021. It includes native code for x86 32-bit, x86 64-bit, ARM 32-bit and ARM 64-bit, so it runs on practically every phone.

Since version 1.16.28, the minimum Android version rose from 5.0 to 7.0. It asks for 41 permissions, 9 of them sensitive, including precise location, camera and record audio. It asks for the same permissions as version 1.18.11. The app offers in-app purchases through Google Play and can read the advertising ID that ad and analytics services use.

What's new in v1.18.14

UI bug-fixes

Description

From the listing uploaded by “appupdater”.

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]

Version history

4 versions are listed, going back to v1.16.28. Since v1.18.10 it requires Android 7.0+.

v1.18.14 LATEST Mar 31, 2026 178.8 MB TRUSTED v1.18.11 Feb 24, 2026 180.1 MB TRUSTED v1.18.10 Nov 10, 2025 176.4 MB TRUSTED v1.16.28 Jul 1, 2023 75 MB TRUSTED

All 4 versions

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on Mar 31, 2026.
Certificate issued to “StealthTalk Inc” This is the certificate of the Google Play version.
Same certificate as the 3 other versions checked

Store checks and file details

Developer signature verified Mar 31, 2026
Validated against Google Play Mar 31, 2026
Signed byCN=Alex Verbitsky, OU=IT, O=StealthTalk Inc, L=San Francisco, ST=CA, C=94115
Signing certificate (SHA-1)D5:EE:98:60:CD:08:88:9E:E7:59:E9:D7:B1:EB:0D:DB:99:B2:36:F3
File MD5c465a1f84ad9fe33d9b79ba151cb2576
Uploaded by “appupdater” Gold tier · 117,810 followers · uploading since 2020

Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures (3 other versions compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (41)

StealthTalk: Private Messenger requests 41 permissions, 9 of them sensitive.

Approximate location Sensitive android.permission.ACCESS_COARSE_LOCATION
Camera Sensitive android.permission.CAMERA
Modify shared storage Sensitive android.permission.WRITE_EXTERNAL_STORAGE
Precise location Sensitive android.permission.ACCESS_FINE_LOCATION
Read contacts Sensitive android.permission.READ_CONTACTS
Read phone status and identity Sensitive android.permission.READ_PHONE_STATE
Read shared storage Sensitive android.permission.READ_EXTERNAL_STORAGE
Record audio (microphone) Sensitive android.permission.RECORD_AUDIO
Write contacts Sensitive android.permission.WRITE_CONTACTS
Access adservices ad id android.permission.ACCESS_ADSERVICES_AD_ID
Access adservices attribution android.permission.ACCESS_ADSERVICES_ATTRIBUTION
Access download manager android.permission.ACCESS_DOWNLOAD_MANAGER
Advertising ID com.google.android.gms.permission.AD_ID
Bluetooth android.permission.BLUETOOTH
Bluetooth admin android.permission.BLUETOOTH_ADMIN
Broadcast sticky android.permission.BROADCAST_STICKY
Change network state android.permission.CHANGE_NETWORK_STATE
Change wifi state android.permission.CHANGE_WIFI_STATE
Control vibration android.permission.VIBRATE
Disable keyguard android.permission.DISABLE_KEYGUARD
Download without notification android.permission.DOWNLOAD_WITHOUT_NOTIFICATION
Expand status bar android.permission.EXPAND_STATUS_BAR
Foreground service data sync android.permission.FOREGROUND_SERVICE_DATA_SYNC
Foreground service media playback android.permission.FOREGROUND_SERVICE_MEDIA_PLAYBACK
Foreground service microphone android.permission.FOREGROUND_SERVICE_MICROPHONE
Full network access android.permission.INTERNET
Google Play install referrer com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE
In-app purchases (Google Play Billing) com.android.vending.BILLING
Internal broadcast protection (app-defined) com.app.stealthtalk.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Modify audio settings android.permission.MODIFY_AUDIO_SETTINGS
Prevent the device from sleeping android.permission.WAKE_LOCK
Read profile android.permission.READ_PROFILE
Receive push notifications com.google.android.c2dm.permission.RECEIVE
Run at startup android.permission.RECEIVE_BOOT_COMPLETED
Run foreground services android.permission.FOREGROUND_SERVICE
Show notifications android.permission.POST_NOTIFICATIONS
Use biometric hardware android.permission.USE_BIOMETRIC
Use fingerprint hardware android.permission.USE_FINGERPRINT
Use full screen intent android.permission.USE_FULL_SCREEN_INTENT
View Wi-Fi connections android.permission.ACCESS_WIFI_STATE
View network connections android.permission.ACCESS_NETWORK_STATE

Required hardware & features

Bluetooth android.hardware.bluetooth
Basic touch input android.hardware.faketouch
Location android.hardware.location
Portrait screen android.hardware.screen.portrait
Wi-Fi android.hardware.wifi

StealthTalk: Private Messenger APK: questions and answers

Is there a version of StealthTalk: Private Messenger for older Android phones?

The current version needs Android 7.0 or later. Version 1.16.28 is the newest listed build that installs on Android 5.0 and later. It is an old build: apps that rely on online services may no longer connect when they are this old. Get version 1.16.28 · All versions

Can I install this APK over the version I already have?

Yes, if your installed copy is older. It is signed like the Google Play version, so Android installs it as an update and keeps your data.

Is StealthTalk: Private Messenger free?

The APK is free to download, but the app offers in-app purchases through Google Play.

Is the StealthTalk: Private Messenger APK safe?

No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. Its signature matches the Google Play version. It is signed with the same certificate as the 3 other versions checked. After downloading, check that the file's MD5 is c465a1f84ad9fe33d9b79ba151cb2576.