How much would it cost to develop an app like slack

Developing a team collaboration and messaging application similar to Slack requires building a robust communication platform that enables real-time messaging, file sharing, and workplace collaboration across multiple devices. Such an app typically includes features like one-to-one and group messaging, organized channels for teams, file and media sharing, searchable message history, push notifications, and integrations with productivity tools. Advanced versions may also include voice and video calling, workflow automation, admin dashboards, role-based access control, and strong security measures such as data encryption and secure authentication. In addition, developers must design a scalable backend infrastructure capable of handling real-time communication, large volumes of messages, and cross-platform synchronization across web, mobile, and desktop applications. Because of the technical complexity and the need for seamless collaboration tools, building a Slack-like platform requires careful planning, modern technologies, and a highly scalable architecture to support growing teams and enterprise communication needs.