If you are alone in your project and never used JavaScript - don't use React Native. It won't give you any benefits at all. It's that simple.
It may be useful if you know and like JS already or your have a team of web developers and you need them to build mobile app for you or your client. They should be able to do it without much to learn and your will have an app that can be potentially run on Android and iOS.
It may be useful if you know and like JS already or your have a team of web developers and you need them to build mobile app for you or your client. They should be able to do it without much to learn and your will have an app that can be potentially run on Android and iOS.