React Native Based Iphone and Android App - clone of developed native android app

We had already developed a native android app, we need to convert this app in to react native technology . We will be needed both app - iPhone and android . We're going to attached one document , it contents brief about app and also content developed android app apk file google drive link also. This app will work for one hostel where student can book meals, which is provided by chef only . Its simple app of around 5 screens and you will be needed to integrate around 35 APIs . Web panel admin portions and api are available. Our expectations are design will look more interactive with same color , improvement in fonts and fix if any design related issues . Kindly go through in attached document and understand whole requirements. If any doubt then please ask me . Hardly its 3 days or 24 hours job . Our budget is between INR 10,000 to INR 20,000 We will pay milestone wise payment like 1) we will create first milestone of 30% payment , it will be release once design will be approved from our side , we got the source code . 2) After successfully submission of first milestone then we will create second milestone , when we will needed to perform all operations of weekly view then we will be released 30% milestone . 3) Finally completion of project and confirmation from our side then we will be released remains 40% .. Note: We will create milestone step wise , not whole milestone we will be created in once. After every delivery our tester will test and will submit testing report so that all bugs fixing are necessary , We will be needed quality apps with all bugs free.