The wide use of Android and iOS devices globally has shifted companies’ focus from the native app development to cross-platform development. The platform which enables developers to use a single code base for developing apps for both the platforms. The demand for cross-platform mobile app development has been growing globally day by day. Because if you go for separate app development for both Android and iOS, it will not only become costlier but also time-consuming as well. Now the question arises which are the top React Native App Development Companies in the USA to hire react native app developers in 2020.