Cross-Platform Betting App Development

I want to launch a complete betting experience that runs smoothly on iOS, Android, and any modern Web browser. The project includes both the mobile apps and the public-facing website, all driven by a single back-end so updates roll out everywhere at once... (Budget: ₹12500 - ₹37500 INR, Jobs: Android, Flutter, iOS Development, iPhone, Mobile App Development, PhoneGap, React Native, Web Development)