Functional Requirments: Chat: Users can send and receive text messages, voice messages, images, and videos., Group Chat: Users can create and participate in group chats with multiple users., Audio and Video Calls: Users can make voice and video calls with other users of the app., Emojis and Stickers: Users can use emojis and stickers to express emotions and make conversations more engaging., Read Receipts: Users can see when their messages have been delivered and read by the recipient., Search: Users can search for specific conversations, messages, or contacts within the app., Notifications: Users receive real-time notifications for new messages and calls, even when the app is closed., Status: Users can share their current status or mood with their contacts., Profile: Users can customize their profile with a profile picture, status, and other personal information., Security: The app provides end-to-end encryption for all messages and calls to ensure privacy and security., Non-functional Requirements: Performance: The app must load quickly and respond to user interactions without delay., Scalability: The app must be able to handle a large number of users and messages without significant performance degradation., Reliability: The app must be stable and not crash or freeze during normal use., Compatibility: The app must be compatible with a wide range of mobile devices and operating systems., Security: The app must protect user data and messages through robust security measures, such as end-to-end encryption and secure authentication., Usability: The app must have a user-friendly interface and be easy to use for all types of users., Accessibility: The app must be accessible to users with disabilities by following accessibility guidelines and providing features such as text-to-speech and screen reader support., Maintainability: The app must be easy to maintain and update, with modular code and comprehensive documentation., Performance Efficiency: The app must use system resources efficiently and not consume excessive battery or data usage., Availability: The app must be available and accessible to users at all times, with minimal downtime for maintenance or upgrades.,

Functional and Non-Functional Requirments

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