Ready-to-Use App Development

I need a developer who can take my concept from zero to a fully functioning, install-ready application. The end result I am after is a polished mobile or desktop app that I can put straight into the hands of users without additional tweaking on my side... (Budget: ₹750 - ₹1250 INR, Jobs: Android, App Development, Flutter, iOS Development, iPhone, Mobile App Development, PhoneGap, React Native)