The free-to-use React Native library will see iterative updates, too. According to Facebook, “One of the best parts about this approach is that we can adopt it incrementally, building new products on top of it or converting old products to use it whenever and wherever it makes sense. Just as we didn’t need to rewrite all of Facebook.com in order to start using React in some places, we don’t need to rebuild our entire mobile Facebook applications in order to start realizing the benefits of React Native.”
You can check React Native out via the links below. While actual, native apps may be a better option for robust experiences, React does have some strong scripting angles that make it attractive for a cross-platform world.