GC21
C4 Core Code Events
GC21: Professional networking platform for diplomatic conferences
- Downloads
- 26+
- on Google Play
- Price
- Free
- No in-app purchases
- Updated
- Nov 22
- 2025 · v1.4.0
Screenshots
About GC21
GC21 is a comprehensive networking platform designed specifically for diplomatic conferences and international meetings. Connect with fellow delegates, coordinate meetings, and manage venue bookings all in one secure platform.
KEY FEATURES:
• Professional Networking: Connect with diplomats, government officials, and international delegates
• Meeting Management: Request, accept, and schedule meetings with other participants
• Secure Messaging: Real-time chat with meeting participants and connection requests
• Venue Booking: Reserve conference rooms and meeting spaces with availability checking
• Profile Management: Comprehensive professional profiles with job titles, organizations, and interests
• Admin Panel: User management and system administration capabilities
• Real-time Notifications: Instant updates for meeting requests, connections, and platform activities
• Password Security: OTP-based password reset with secure authentication
MOBILE APP FEATURES:
• Native Navigation: Tab-based interface optimized for mobile use
• Push Notifications: Real-time alerts for meeting updates and connection requests
• Camera Integration: Capture and upload profile photos directly from your device
• File Sharing: Share documents and materials during meetings
• Location Services: Get directions to venues and meeting locations
• Biometric Authentication: Secure login with fingerprint or face recognition
• Offline Support: Access core features even without internet connection
SECURITY & PRIVACY:
• HTTPS encryption for all data transmission
• Row-Level Security (RLS) policies on all database tables
• GDPR compliance with consent management
• Secure authentication with session management
• Profile visibility controls and privacy settings
TECHNOLOGY:
• Cross-platform mobile app (React Native/Flutter)
• Real-time synchronization across devices
• Cloud-based data storage with automatic backups
• Professional email integration for notifications
• Scalable architecture for large conferences
PERFECT FOR:
• Diplomatic conferences and international meetings
• Government officials and delegates
• NGO representatives and private sector professionals
• Academic institutions and international organizations
• Media representatives covering diplomatic events
The platform is designed to handle large-scale diplomatic conferences with thousands of delegates, providing a secure, scalable, and user-friendly environment for professional networking and collaboration.
Download GC21 today and enhance your diplomatic networking experience!
KEY FEATURES:
• Professional Networking: Connect with diplomats, government officials, and international delegates
• Meeting Management: Request, accept, and schedule meetings with other participants
• Secure Messaging: Real-time chat with meeting participants and connection requests
• Venue Booking: Reserve conference rooms and meeting spaces with availability checking
• Profile Management: Comprehensive professional profiles with job titles, organizations, and interests
• Admin Panel: User management and system administration capabilities
• Real-time Notifications: Instant updates for meeting requests, connections, and platform activities
• Password Security: OTP-based password reset with secure authentication
MOBILE APP FEATURES:
• Native Navigation: Tab-based interface optimized for mobile use
• Push Notifications: Real-time alerts for meeting updates and connection requests
• Camera Integration: Capture and upload profile photos directly from your device
• File Sharing: Share documents and materials during meetings
• Location Services: Get directions to venues and meeting locations
• Biometric Authentication: Secure login with fingerprint or face recognition
• Offline Support: Access core features even without internet connection
SECURITY & PRIVACY:
• HTTPS encryption for all data transmission
• Row-Level Security (RLS) policies on all database tables
• GDPR compliance with consent management
• Secure authentication with session management
• Profile visibility controls and privacy settings
TECHNOLOGY:
• Cross-platform mobile app (React Native/Flutter)
• Real-time synchronization across devices
• Cloud-based data storage with automatic backups
• Professional email integration for notifications
• Scalable architecture for large conferences
PERFECT FOR:
• Diplomatic conferences and international meetings
• Government officials and delegates
• NGO representatives and private sector professionals
• Academic institutions and international organizations
• Media representatives covering diplomatic events
The platform is designed to handle large-scale diplomatic conferences with thousands of delegates, providing a secure, scalable, and user-friendly environment for professional networking and collaboration.
Download GC21 today and enhance your diplomatic networking experience!
What’s new
Version 1.4.0 · Updated November 22, 2025
Introducing a next-generation update to UniConnect - Interactive UI that feels alive - Real-time floor mapping - Seamless onboarding experience - Enhanced event engagement - The connection just got smarter.
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| App | Rating | Price | Installs | Last updated | Compare |
|---|---|---|---|---|---|
| GC21 | – | Free | 10+ | Nov 22, 2025 | |
| CMC Motorsports® | 4.8 / 5 | Free | 5,000+ | Oct 1, 2026 | Compare |
| ParkUsher: Find Parking Easily | 4.0 / 5 | Free | 50,000+ | – | Compare |
| HR Cloud | 4.5 / 5 | Free | 50,000+ | Sep 29, 2026 | Compare |
| Intellifi by Adtran® | 4.2 / 5 | Free | 10,000+ | Oct 21, 2026 | Compare |
| bswift Mobile | 4.8 / 5 | Free | 100,000+ | Sep 15, 2026 | Compare |
| Miltrade -Military Marketplace | 3.7 / 5 | Free | 5,000+ | – | Compare |
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