React Native lets you build real native iOS and Android apps with a single JavaScript codebase while leveraging your experience building React web apps. That sounds great, but it's easy to get tripped up on early design decisions that seemingly portend a high switching cost later. Do you go with a "managed" app that handles native code for you (at the cost of flexibility), or do you buckle up for a "bare" experience that involves lots of debugging in Xcode? In other words, will it scale? We're happy to report that, YES, it will! Let's talk about what React Native is, how to get started with it in a new or existing app, and how what used to be major forks in the road are now incremental decisions that build on each other and can be added or removed easily as your app matures.