Signal is a cross-platform encrypted messaging service known for its strong privacy guarantees. The Signal Protocol has become the gold standard for secure messaging.
Key Features
- End-to-end encryption: All messages encrypted by default
- Signal Protocol: Industry-standard encryption protocol
- Disappearing messages: Auto-delete after set time
- No metadata collection: Minimal data retention
- Group chats and calls: Encrypted video/voice calls
Privacy Highlights
Signal is developed by a non-profit organization. The app collects minimal metadata - only your phone number and last connection date. Messages, contacts, and groups are all encrypted and inaccessible to Signal.
Pricing
- Free: All features included
- Donations welcome: Support the non-profit
