Private
by Design.
Encrypted Messages.
Military-grade encryption for every message, call, and file. Not even Blackthread can read your conversations.
Features
Everything you need.
Nothing you don't.
Every message encrypted before leaving your device. Zero plaintext on our servers — ever.
WebRTC calls wrapped in end-to-end encryption. Your voice, your privacy.
Invite members via time-limited secure tokens. Full control over access, always.
Photos that vanish after a single view. No screenshots, no traces, no exceptions.
Send up to 10 photos in one encrypted batch with lossless quality preserved.
Built-in AI with full conversation-level encryption. Smart — and completely private.
Know when messages land and are read. Real-time delivery status, encrypted in transit.
Designed for comfort, day or night. Automatic system theme matching included.
One tap wipes all local data in an emergency. Instant protection when it matters most.
Security
Built on
zero trust.
Zero-Access Architecture
Messages are encrypted on your device with AES-256-GCM. Our servers never see plaintext — not your messages, not your media, not your call content.
Active Devices
iPhone 15 Pro
Mumbai, IN
MacBook Pro
Mumbai, IN
Unknown Device
Unknown location
Kill Switch
Wipe all local data instantly
Secure Device Management
See every device logged into your account. Revoke access instantly. Blackthread's Kill Switch wipes all local data with one tap if your device is lost or seized.
Early Access
Privacy is not
optional.
Be among the first to experience true zero-access communication. No ads, no data mining, no compromise.
Frequently Asked Questions
Contact
Don't be
a stranger.
Questions, partnerships, press inquiries, or just want to say hello — we read every message.