EAS Build vs. Expo Build: Which One Should I Choose for My Project?

If you’re deciding between EAS Build and Expo Build for your React Native project, EAS Build is generally the better choice for custom native code and advanced configurations, while Expo Build is simpler and faster for pure Expo projects with no customizations. Your decision ultimately hinges on whether you need native capabilities beyond standard Expo features.

What is EAS Build?

EAS Build (Expo Application Services Build) is a cloud-based service that allows developers to build and submit their React Native applications with custom native code to both iOS and Android. It supports all the features in the Expo SDK and provides the flexibility to integrate native modules into your app.

What is Expo Build?

Expo Build is part of the Expo ecosystem that provides a streamlined way to compile your React Native applications into binaries using the Expo Go app. With Expo Build, you are limited to the functionalities provided by Expo's SDK, which means fewer customizations and integrations.

Why would I choose EAS Build over Expo Build?

EAS Build is ideal if your project requires custom native code or if you need to modify existing native modules. It also allows better control over the build process, which can be beneficial for complex applications, making it a great choice for teams building larger, more customized products.

Are there any disadvantages to using EAS Build?

One disadvantage of EAS Build is that it requires a deeper understanding of mobile build processes. The configuration can be more complex and time-consuming than Expo Build, especially for small projects that don't need custom native features. Also, EAS Build might have longer build times compared to the relatively quick Expo Build.

How easy is it to set up EAS Build?

Setting up EAS Build requires a few steps:

1. Install EAS CLI: Run npm install -g eas-cli.
2. Initialize the project: eas build:configure to set up your project for EAS.
3. Build your app: Use the command eas build -p ios or eas build -p android to create your binaries.

How fast is Expo Build compared to EAS Build?

Expo Build typically compiles faster since it doesn't process custom native code. If you're only using the Expo SDK without additional native customizations, you can expect a straightforward build process that may take just minutes.

Can I use native modules with Expo Build?

You cannot directly use custom native modules with Expo Build. If your project requires native functionalities, you’ll need to either eject from managed workflow and switch to a bare workflow or use EAS Build for full flexibility.

Which build process is cheaper?

Pricing between EAS Build and Expo Build can vary based on usage. While both have free tiers, EAS Build incurs costs when building in the cloud with concurrent builds or more complex configurations. For small teams or simple applications, Expo Build could prove less expensive.

What platforms does EAS Build support?

EAS Build supports both iOS and Android platforms. This consistent cross-platform support allows for the development of applications that run seamlessly across devices.

How do EAS Build and Expo Build impact app performance?

The performance can differ based on how much custom code you integrate. With EAS Build, you can optimize heavier processes by fine-tuning native code, while Expo Build is optimized for typical Expo use cases. Always profile your app on target devices to identify performance bottlenecks.

Conclusion: Which one should I choose?

Ultimately, the choice between EAS Build and Expo Build should be based on your project requirements. If you need maximum flexibility and advanced integrations, go with EAS Build. If you want quicker results and are building without custom native code, Expo Build may be sufficient.

As always, make your decision based on the specific needs of your project, and check whether Clevens has the design assets necessary to help you launch promptly.