Signal Bulk Messaging.
Save Hours.
Send 1-to-1 messages in bulk - no groups, no copy-paste.
Military-grade encryption with human-like delivery.
Secure & Efficient Messaging
Built for privacy-conscious users who value efficiency and security in their communications.
Bulk 1-to-1 Messaging
Automate bulk messaging, sent to unlimited Signal contacts. Perfect for appointment reminders, event updates, community outreach, and more.
Anti-Spam & Human Behaviour
Battle-tested to keep you off spam filters. Messages drip-fed at randomized intervals emulate human behaviour.
Data Privacy
Zero-knowledge by design—your contact list and message content never leave your device.
End-to-end Encryption
Cutting edge encryption protocols. Only you and your contacts can read your messages.
Simple Setup
Get started with Sigcast in three easy steps. No complex configuration required.
Link Signal Account
Link your device to Sigcast by scanning a QR code in the Signal app.
Create a Broadcast
Sync your contacts, enter the message you want to broadcast, and choose a schedule.
Start Messaging
Activate the broadcast and Sigcast will handle the rest.
Perfect for Professionals
Sigcast streamlines communication for busy professionals across various industries.
What people say
See how professionals save time and improve communication with Sigcast.
Sigcast saves me 2 hours every Friday. As a personal trainer, I can now effortlessly follow up with 50+ clients.
Alex R.
Personal Trainer
Our clinic's no-show rate dropped 20%. Love the human-like drip feed and encryption.
Dr. Patel
Clinic Director
Our neighborhood group sends event invites in seconds—no spam filters, no fuss.
Maya T.
Community Organizer
Simple, Transparent Pricing
Choose the plan that fits your messaging needs. All plans include end-to-end encryption.
Free
50 messages/month
Casual
500 messages/month
Professional
Unlimited messages