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A secure messaging app offering end-to-end encrypted private chats, voice, and video calls using post-quantum cryptography. It prioritizes user privacy with no phone number or email registration, and features secure rooms for group communication.
✓Post-quantum cryptography for all communications
✓End-to-end encrypted messages, calls, and files
✓No phone number or email required for registration
✓Secure group rooms with access control
✓Optional in-chat cryptocurrency wallet
✓Screen recording and screenshot protection
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What's New in Qlavis
1.0.4
September 7, 2026
ROOMS The owner can now delete a room for everyone: the room and its history disappear on every member's device, including devices that were closed at the time. If the owner deletes their account, their rooms are deleted for everyone the same way. Every action in Room Info now shows its result at the top of the page: what changed, or the exact reason it was refused. A member who deleted their account and registered again under the same name can be added back and receives messages on every device. ACCOUNT DELETION When a contact deletes their account, your device now verifies their own signed confirmation and retires their old keys by itself. No prompt, no button to trust. INVITE A FRIEND Your invitation link is now one tap away: at the end of setup, in the empty chat list, and when a name you search for is not on Qlavis yet. FIXES A room deleted for everyone no longer leaves an empty one-to-one chat behind on a device that was closed at the time. Privacy settings never appear as messages in rooms. Registering again on the same phone no longer drops your contacts' verified keys at the next launch, and sending in a room recovers them on its own. Security notices stay below the chat header, and Room Info fits the screen on every model.
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FAQ
What makes Qlavis's encryption unique?
Qlavis utilizes post-quantum cryptography, specifically the NSA CNSA 2.0 algorithm suite, including ML-KEM-1024 and ML-DSA-87. This ensures messages remain unreadable even to future quantum computers, offering a higher security level than traditional encryption methods.
How is user identity managed in Qlavis?
User identity is established via a 24-word recovery phrase generated on the iPhone, which is held solely by the user. This phrase is protected by the Secure Enclave, preventing anyone, including Qlavis, from accessing or impersonating users.
Can I make voice and video calls with Qlavis?
Yes, Qlavis supports encrypted audio and video calls that use the same post-quantum keys as your chats. Calls will not connect if these keys cannot be established, ensuring a secure communication channel.
How does Qlavis handle group communication?
Qlavis allows users to create secure rooms where members can be added by @handle. Text, photos, videos, and voice messages within rooms are encrypted using the same robust post-quantum methods as one-to-one chats.
Does Qlavis have ads?
No, Qlavis is ad-free. The application is completely free to use and does not display advertisements to its users.
What devices is Qlavis available on?
Currently, Qlavis is available for iPhone devices. The application is designed to leverage the security features of iOS.
How often is Qlavis updated?
Qlavis was last updated on September 7, 2026, with version 1.0.4. This indicates a recent focus on development and maintenance of the application.
What is the age rating for Qlavis?
Qlavis has an age rating of 17+. This is likely due to the advanced cryptographic features and the potential for sensitive communication facilitated by the app.