Everything you need for secure, private communication
Send unlimited encrypted text messages. Rich text formatting with emoji support.
Share photos with full end-to-end encryption. Edit images before sending with built-in tools.
Record and send encrypted video messages. Share moments securely with loved ones.
Record and send encrypted voice notes. Perfect for quick messages on the go.
React to messages with emoji. Express yourself with a tap.
Reply to specific messages for context. Forward messages to other contacts securely.
Every message is encrypted on your device. Only you and the recipient can read your messages.
Industry-leading Signal Protocol with X3DH key exchange and Double Ratchet for perfect forward secrecy.
Set messages to auto-delete after a time you choose. From 30 seconds to 7 days.
Choose whether others can see when you've read their messages. Full control over your privacy.
We don't collect metadata about your conversations. Zero tracking, zero ads.
Your encryption keys never leave your device. We can't access your private keys.
Create encrypted groups for family, friends, or work. Up to 100 members per group.
Easily manage group membership. Admins can add or remove members at any time.
Group admins can manage settings, permissions, and keep conversations organized.
Share photos and videos in groups. All media is encrypted for every member.
Crystal-clear encrypted voice calls. Talk privately with anyone, anywhere.
Face-to-face encrypted video calls. See your loved ones securely.
Instant notifications for new messages. Never miss an important conversation.
Messages delivered instantly via WebSocket. See typing indicators and online status.
Use Sleutl in any modern browser. No download required, always up-to-date.
Native desktop app for macOS. System notifications and seamless experience.
Native iPhone and iPad app. Coming soon to the App Store.
Native Android app. Coming soon to the Play Store.
See how we stack up against other messaging apps
| Feature | Sleutl | Telegram | iMessage | |
|---|---|---|---|---|
| End-to-End Encryption (Default) | ✓ | ✓ | ✗ | ✓ |
| Signal Protocol | ✓ | ✓ | ✗ | ✗ |
| No Phone Number Required | ✓ | ✗ | ✗ | ✗ |
| No Metadata Collection | ✓ | ✗ | ✗ | ✗ |
| No Ads | ✓ | ✓ | ✓ | ✓ |
| Disappearing Messages | ✓ | ✓ | ✓ | ✗ |
| Cross-Platform | ✓ | ✓ | ✓ | ✗ |
| Free to Use | ✓ | ✓ | ✓ | ✓ |
Start using Sleutl today - it's free.