Download Sirr
Download Sirr now and start private messaging on all major platforms.
Mobile Apps
iOS
For iPhone and iPad
System Requirements:
- iOS 14.0 or later
- iPadOS 14.0 or later
Features:
- Full end-to-end encryption
- Built-in BNBChain wallet
- Red envelope feature
- Multi-device sync
- Face ID / Touch ID support
Android
For Android Devices
System Requirements:
- Android 8.0 or later
- Minimum 2GB RAM
Features:
- OpenPGP encrypted messaging
- Decentralized wallet
- Group chats and channels
- Media sharing
- Biometric authentication
After Download
Initial Setup
Install the App
- Download from App Store or Google Play
- Install on your device
Create or Import Wallet
- Create a new BNBChain wallet
- Or import existing wallet
- Save your recovery phrase!
Set Up Profile
- Choose display name
- Add profile picture (optional)
- No personal information required
Start Chatting
- Add contacts
- Send your first encrypted message
- Explore wallet features
Security Tips
Before you start:
✅ Save Recovery Phrase
- Write down 12/24 words
- Store in a safe place
- Never share online
✅ Enable Biometrics
- Use Face ID or fingerprint
- Add extra security layer
- Prevent unauthorized access
✅ Verify Download
- Only download from official stores
- Check publisher name
- Review permissions
Version Information
Current Version
iOS: 1.0.0 Android: 1.0.0
Latest Updates:
- Initial release
- Full messaging features
- BNBChain wallet integration
- Red envelope feature
- Multi-device support
Changelog
v1.0.0 (December 2025)
- 🎉 First public release
- ✉️ End-to-end encrypted messaging
- 💰 Built-in BNBChain wallet
- 🧧 Red envelope feature
- 📱 iOS and Android support
- 🔐 Biometric authentication
- 🌐 Multi-language support
System Requirements
Minimum Requirements
iOS:
- Device: iPhone 6s or newer
- OS: iOS 14.0+
- Storage: 100 MB available space
- Network: WiFi or mobile data
Android:
- OS: Android 8.0+
- RAM: 2 GB
- Storage: 100 MB available space
- Network: WiFi or mobile data
Recommended
For better experience:
- iOS 15+ or Android 11+
- 4 GB+ RAM
- Stable internet connection
- Biometric sensor
Get Help
Installation Issues
If you encounter installation problems:
- Check system requirements
- Ensure sufficient storage space
- Restart your device
- Retry download
More Resources
Community
Join the Sirr community:
- GitHub: mail-chat-chain/mailchatd
- Twitter: Follow for updates
- Official Group: Join the chat
- Documentation: Learn more
Ready to start? Download now and experience true private messaging! 🚀