For the past year, we've been working on improving performance of animations that use the Animated library. Animations are very important to create a beautiful user experience but can also be hard to do right. We want to make it easy for developers to create performant animations without having to worry about some of their code causing it to lag.
React Native is a great framework that lets you create cross platform mobile applications. It's especially helpful if you're a web developer and want a fast, low cost solution to develop native mobile applications that work on both Android and iOS. Bonus: you don't have to spend $$$ on separate iOS,