Music Mobile App

I need someone to develop a music and tune creation mobile app in IOS/Android. The preferred framework can be react, but I’m ok with flutter as well. I have the front end design completed in XD. This link will provide high level overview:

https://docs.google.com/presentation/d/1ABOaB2jNRPACp3SZmPL4g26qjPn31hkX/edit?usp=sharing&ouid=100874290208497563086&rtpof=true&sd=true