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SimpleX Chat
Messaging
SimpleX Chat is a protocol and app that delivers private messaging without user IDs or phone numbers. It uses temporary anonymous identifiers and routing via servers you can run yourself. It's perfect for the most privacy-conscious users.
Use SimpleX Chat instead of
WhatsApp
Signal
Why We Recommend SimpleX Chat
The most metadata-resistant chat protocol available
Pricing
Free (open source)
Platforms
iOS, Android, Linux, macOS
Open Source
Yes
Replaces
WhatsApp, Signal
Privacy Overview
No identifiers, no metadata, no phone number required. Even message routing is anonymous.
- No user IDs
- No phone number
- Fully decentralized
- End-to-end encrypted