Optimizing React Native app size

Before deploying our app to production, it's always a good idea to shrink the app bundle size to as small a file as possible, and there are several techniques we can leverage to do so. These can involve supporting fewer devices or compressing included assets.

This recipe will cover a few techniques for limiting production package file sizes in both iOS and Android React Native apps.

Getting ready

For this recipe, we will be using the same simple React Native app we've used throughout this chapter, TestDeployApp. You'll also need to have code signing working for iOS, and the ability to create .apk files as covered in previous recipes.

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