Convert Swift Xcode app to React Native

I have made an app in Xcode, it works quite well minus a few issues that now need to be converted to react Native. and then will also join a code base of existing apps we are creating in React Native. You can see basic wireframe.

App allows user to make csv log which includes data on parts of their body... inlcuded in the csv output is gps data, time, date, and other text they might have written for that particular entry.. A