🔒 End-to-end encrypted

One app.
Chat, calls, and a Vault of your own.

CalixGo is end-to-end encrypted chat and calls, plus an encrypted Vault for your notes and files — with no email, no phone number, and no password. Your identity is a key only you hold.

No email or phone End-to-end encrypted You hold the keys Biometric app lock
CalixGo
Everything in one app

Built for privacy, from the ground up

Chat, call, and store what matters — each protected in its own way.

Encrypted chat

1:1 and group messages are end-to-end encrypted (X25519 key exchange + ChaCha20-Poly1305) — the server relays ciphertext it cannot read.

Voice & video calls

Crystal-clear 1:1 and group calls with adaptive quality. Calls are relayed live and are never recorded or stored.

Encrypted Vault

Notes, images and files, encrypted and stored locally — with a built-in 3D (.glb) and 360° panorama viewer. Back up with a password-protected, post-quantum-encrypted export whenever you choose.

Built-in browser

Browse the web without leaving the app — a fast, in-app browser with your own address bar, tabs and history.

Biometric app lock

Unlock with Face ID, Touch ID, or a PIN. Your recovery phrase and keys never leave the device's secure storage.

No email or phone

Your identity is a key pair generated on your device. Sign in with a cryptographic signature, and add contacts by scanning a QR code — nothing to leak, nothing to reset.

Security

Private by design, honest by default

Chats and calls are protected end-to-end. Your recovery phrase, private keys, PIN and Vault never leave your device unless you export a backup yourself.

  • Chat: X25519 + ChaCha20-Poly1305, end-to-end
  • Vault backups: password-protected, PQC (Kyber-768)
  • Recovery phrase & identity keys generated and held on-device only
  • One exception: the Social feed is shared, not end-to-end encrypted
0
emails or phone numbers required to use CalixGo
E2Echat & calls
On-devicekeys & Vault
PQCbackup encryption
No passwordsign in by signature

Own your conversations. Own your keys.

CalixGo is finishing up ahead of its App Store launch. Leave us a note and we'll let you know the moment it's live.

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