Chat Mal

Real-time chat and calling that’s fast, secure, and cross-platform.

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Table of Contents

• Overview
• Live Links
• Features
• Tech Stack
• Architecture
• Repository Structure
• Getting Started (Development)
  • Prerequisites
  • Backend (server)
  • Web (Next.js)
  • Mobile (Expo React Native)
• Environment Variables
• Production & Deployment
• Privacy & Security
• Screenshots
• Contributing
• Security
• License
• Contact & Support

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Overview

Chat Mal is a modern messaging app with real-time chat, voice/video calls, stories, and media sharing—designed for reliability, privacy, and smooth performance across devices.

• Android: available via APK (APKPure).
• Web: fully responsive web client.
• iOS: coming soon.

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Live Links

• Android (APK): https://apkpure.com/p/com.chat.mal
• Web: https://chatmal.vercel.app
• iOS: Coming soon

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Features

• Real-time messaging with delivery/read receipts
• Voice & video calling (camera/mic controls, front/back switch)
• Stories & media sharing (images, videos), secure storage
• End-to-end encryption for calls (WebRTC SRTP); message data encrypted in transit (TLS)
• Push notifications for new messages and calls
• Account & profile (avatar, status, privacy controls)
• Multi-platform: Android app + Web app (iOS in progress)

NOTE: If your build includes message E2EE, update this section to reflect it precisely.

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Tech Stack

• Mobile: Expo React Native (TypeScript)
• Web: Next.js (App Router) + TypeScript
• Backend: Node.js (Express, JavaScript) + MongoDB (Mongoose) + Redis
• Realtime: Socket.IO
• Media/RTC: WebRTC
• Validation: Joi
• Auth: JWT (and/or OAuth2)
• Infra: EAS (mobile builds), Vercel (web), any Node-friendly host for API

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