The cost to develop an on-demand video conferencing app depends on various factors such as the app's complexity, integration with third-party services, real-time video streaming quality, user authentication, and security features. Features like screen sharing, file sharing, and multiple video streams can add to the overall cost. The platform (iOS or Android) also plays a role in determining the development cost. USM Business Systems is the best mobile app development company to bring your on-demand video conferencing app to life with innovative features and top-notch performance.