Zero Secure Messenger
Secure messaging & calls.
Free
Zero Secure Messenger
Zero Secure Messenger is a secure communication app built for enterprises and organizations that require private, controlled, and encrypted communication.
The app provides end-to-end encrypted messaging, voice and video calls, and secure media sharing, designed to reduce exposure of identities and sensitive data.
Key Features
• End-to-end encrypted messaging
• Encrypted voice and video calls
• Self-destructing (burn) messages
• Encrypted file and media transfers
• Message controls: reactions, replies, edit, revoke
• Anonymous user IDs and group chats
• Stealth Mode and privacy-focused design
• App lockscreen with PIN or password
• Duress password for emergency access
• Encrypted internal vault for files, images, videos, and notes
• Decentralized internal contact list
• Safety numbers and QR verification
• Stories for secure internal updates
• Integration with Zero MDM on iOS
Zero Secure Messenger is designed for managed deployments and organizational environments where privacy, security, and control are essential.
Ratings & Reviews
This app has not received enough ratings or reviews to display an overview.
What's New in Version 1.0.2
New FAQ Section
Comprehensive FAQ added to Settings with answers to common questions
Covers Getting Started, Messaging, Calls, Security, Account, and Troubleshooting
Improved Contact Management
Contact names now display correctly everywhere (was showing ZeroID in some places)
Deleting a contact now removes them for both users
Chat conversations properly clear when you delete a contact
Notification Fixes
Fixed duplicate notifications for contact requests
Notifications now show contact names instead of IDs
Encryption Improvements
Faster secure session setup when adding new contacts
Better recovery after app reinstall
Bug Fixes & Stability
General performance improvements
Various bug fixes
The developer, Vault Management, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Size
- 41.7 MB
- Category
- Social Networking
- Compatibility
Requires iOS 17.6 or later.
- iPhone
Requires iOS 17.6 or later. - iPad
Requires iPadOS 17.6 or later.
- Age Rating
4+
- 4+
- Contains
Messaging and Chat
- Provider
Vault Management
- Vault Management has not identified itself as a trader for this app. If you are a consumer in the European Economic Area, consumer rights do not apply to agreements between you and the provider.
- Copyright
- © Zero Secure Messenger 2026