Rocket.Chat
Signal
| Feature | Rocket.Chat | Signal |
|---|---|---|
| Pricing | Free / from $4/mo | Free only |
| Free Plan | ✓ Yes | ✓ Yes |
| Rating | 4.1 / 5 | 4.6 / 5 |
| Best For | security-conscious-organizations, government, self-hosters, enterprises | privacy-advocates, journalists, activists, security-conscious-users |
| Founded | 2015 | 2014 |
| Channels | ✓ | ✗ |
| Direct Messaging | ✓ | ✗ |
| Video Calls | ✓ | ✓ |
| Federation | ✓ | ✗ |
| E2e Encryption | ✓ | ✗ |
| Marketplace | ✓ | ✗ |
| End To End Encryption | ✗ | ✓ |
| Group Chats | ✗ | ✓ |
| Voice Calls | ✗ | ✓ |
| Disappearing Messages | ✗ | ✓ |
| Screen Security | ✗ | ✓ |
✓ Rocket.Chat Pros
- Fully open-source and self-hostable
- End-to-end encryption
- Federation support between instances
- Highly customizable
✗ Rocket.Chat Cons
- Self-hosted requires maintenance
- Mobile apps less polished than Slack
- Smaller app ecosystem
✓ Signal Pros
- Industry-leading encryption
- Completely free and open-source
- No ads or data collection
- Cross-platform support
✗ Signal Cons
- Smaller user base than WhatsApp
- Limited business features
- No channels or bots
The Verdict
Rocket.Chat is built for security conscious organizations and government, with a focus on channels and direct-messaging. Signal targets privacy advocates and journalists and leads with end-to-end-encryption and group-chats.
Signal uses custom enterprise pricing, while Rocket.Chat starts at $4/mo — a tangible advantage for teams with a fixed budget.
Both offer free plans, so you can test each with your real workflow before committing to a subscription.
Signal edges out on user ratings (4.6 vs 4.1). While both are well-regarded, that gap reflects real differences in user satisfaction worth considering.
Bottom line: Signal has a slight overall edge — but if fully open-source and self-hostable matters most to you, Rocket.Chat may still be the right call.