End-to-end encrypted by default

Say anything.
Privately.

VaultChat brings together encrypted messaging, voice calls, and SMS in one beautifully simple app. Stay connected and secured — no matter how far out you are.

VaultChat

Welcome to VaultChat

Enter your number to get started

Stay connected and secured—
no matter how far out you are.

🇺🇸+1
(000) 000-0000

By clicking 'Sign Up', you agree to receive automated recurring text messages from VaultChat for sending a secure link to download the app. Consent is not a condition of purchase. Msg & data rates may apply. Reply STOP to opt-out or HELP for info. View our Privacy Policy and Terms of Service.

By clicking submit, you agree to our Terms and Privacy Policy.

🔒 End-to-end encrypted · Metadata private · No ads

Features

Everything you need to stay private.

Designed to be simple. Built to be uncompromising.

Private messaging

Every message is end-to-end encrypted on your device. Even we can't read them.

Crystal-clear calls

High-quality voice calls protected by perfect forward secrecy. No call logs.

Encrypted SMS

Send secure SMS to any number through our hardened messaging bridge.

Your keys, your data

Private keys never leave your device. You own every conversation.

Zero metadata

We don't store who you talk to, when, or for how long. Nothing to leak.

Biometric lock

Face ID and fingerprint guard your vault. Privacy you can feel.

Security

Four layers of silence.

Engineered like a bank vault — every layer independent, every key ephemeral, every byte verifiable. Audited cryptography. Open protocols. No shortcuts.

Audit: Passed · SOC 2 Type II
1
Signal Protocol
Double Ratchet + X3DH key exchange
Active
2
AES-256-GCM
Authenticated symmetric encryption
Active
3
Curve25519
Elliptic-curve Diffie-Hellman
Active
4
Forward secrecy
Past sessions stay private — always
Active
SMS opt-in

Get the VaultChat app

Enter your mobile number — our SMS functionality is used solely for sending you a secure link to download the VaultChat app for iOS and Android.

🇺🇸+1

By clicking submit, you agree to our Terms and Privacy Policy.

🔒 End-to-end encrypted · Metadata private · No ads

Start chatting privately today.

Free, fast, and secure. Available on iOS, Android, and the web.