Relaxation Music Therapy App Development

I need a developer who can take my concept for a music-therapy application and turn it into a polished product that runs smoothly on both iOS and Android. The core goal is simple: help users unwind and manage day-to-day stress through carefully curated sound... (Budget: $250 - $750 USD, Jobs: Android, Flutter, iOS Development, iPhone, Kotlin, Mobile App Development, Objective C, React Native)