For sale · Mobile App

Cross-Platform Messenger App With Group Video Calling

Our cross-platform messenger solution lets businesses launch their own secure communication platform within an hour. With native apps for all major platforms, it supports group video calls for up to 50 people, unlimited group chats, and modern features like screen sharing. The modular architecture makes it ideal for enterprise deployment, from digital banking to corporate communications, with no ongoing third-party service fees.

United States of America Listed

Asking price

$15,499

100% held in escrow until handoff

Screenshot of Cross-Platform Messenger App With Group Video Calling
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About this listing

Cross-Platform Messenger with Advanced Group Calling

A complete, ready-to-launch messenger application supporting iOS, Android, Web, Mac, Windows and Linux. Launch your own messaging platform within an hour, featuring group video conferences for up to 50 people, unlimited group chats, and a modern interface with dark/light modes.

Key Features

  • Group audio and video calls with screen sharing
  • Built-in call module (no third-party service costs)
  • Native mobile apps for iOS and Android
  • Web version with mobile responsiveness
  • Desktop versions for Mac, Windows and Linux
  • Peer-to-peer connection for calls
  • Custom UI kit with clean design
  • Unlimited group chats
  • Contact synchronisation
  • Message status tracking (read/unread)
  • Online and typing indicators
  • Photo sharing with preview thumbnails
  • Basic chatbot functionality
  • Dark and light themes
  • Push notifications
  • SMS authentication (via Twilio)

Technical Highlights

  • Microservice backend architecture
  • Modern technology stack: TypeScript, React Hooks, GraphQL, CodeGen, Docker
  • Optimised database queries using aggregation
  • Scalable socket server as separate microservice
  • Performance-optimised components
  • Easy deployment on modest hardware
  • Comprehensive documentation for straightforward setup

Versatile Applications

The modular architecture allows easy integration and customisation for various use cases: - Payment systems - Digital banking - Cryptocurrency transactions - Corporate communication - Custom industry solutions

What's Included

  • Complete source code (backend and frontend)
  • Native mobile applications (iOS/Android)
  • Desktop applications (Mac/Windows/Linux)
  • Mobile-responsive web version
  • Comprehensive documentation (HTML/PDF/Docs)
  • Build instructions and deployment guides

Perfect for teams seeking rapid deployment of a robust messaging solution with enterprise-grade architecture and scalability.

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