Paid Messaging and Calling App

I’m building a mobile application for both iOS and Android that combines real-time text chat, crystal-clear audio calls, and HD video calls—similar to WhatsApp, but on a paid model. Users will register, choose a plan, and pay through Stripe... (Budget: $30 - $250 USD, Jobs: Android, Android App Development, Backend Development, iOS Development, iPhone, Mobile App Development, PHP, WebRTC)