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.

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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

Version 1.0.2

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.

    Privacy practices may vary based, for example, on the features you use or your age. Learn More

    Accessibility

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Information

    • Provider
      • Vault Management
    • 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+
    • Copyright
      • © Zero Secure Messenger 2026
  • Privacy Policy

    • More by Vault Management