Front-end development is fragmented with many different stacks that are tailored to: web, Android, or iOS. We demonstrate live how React Native can be used to develop on all three platforms at the same time. We will show how to kick start a new project, make it run on all three platforms and then also (with some luck) deploy it on the phones in the audience. Learn the pros and cons of using a cross-platform technology to solve feature parity, infrequent deployments, and disparate developer skillsets.