Atmospheric

Messaging and calls, end-to-end encrypted.

Atmospheric is a messenger for personal and group conversations, voice and video calls, and stories. Messages and calls are end-to-end encrypted: our servers relay them as ciphertext and cannot read them.

What that means in practice

• Chats and calls are end-to-end encrypted. Keys stay on your devices.
• No advertising, and no analytics or tracking SDKs in the app.
• Your address book is never uploaded. Contact matching uses irreversible hashes that are not stored.
• You can delete your account and all its data from inside the app, or from this page if the app is already gone.

Atmospheric Web is a linked device: open it in a browser, then scan the QR code from the app — Settings → Security → Devices. Messages only; keys never leave your phone unencrypted.

Atmospheric is currently in closed testing.