iOS & Android Consultation App

I need a full-featured mobile application that lets professionals deliver paid online consultations directly from their phones on both iOS and Android. The core flow is simple: a client picks an expert, schedules a time, pays, and then joins a secure video or chat session inside the app... (Budget: ₹1500 - ₹12500 INR, Jobs: Android, Android App Development, Flutter, iOS Development, iPhone, Mobile App Development, PHP, React Native, REST API, Video Conferencing)