Top 10 best open-source React and React Native IDEs are: VS code, webstorm, Reactide, Atom, Sublime Text, Code Sandbox, IntelliJ IDEA, Vim Editor, GNU E, etc.

Top 10 Best Open Source React & React Native IDEs in 2025 | Relia Software

Top 10 Best Open Source React & React Native IDEs

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Top 10 Best Open Source React & React Native IDEs in 2025

List of top 5 best React Native app development companies in 2023 includes: Relia Software, Toobler, Cheesecake Labs, Groovy Technolabs, and Geniusee.

Top 5 React Native App Development Companies in 2023 | Relia Software

Top 5 React Native App Development Companies in 2023

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<a href="https://reliasoftware.com/blog/what-is-end-to-end-testing">End-to-end (E2E) testing</a> involves running your software on a real device or a simulator and interacting with it as a user would. This ensures that all components of your application work together correctly. Detox, created by Wix, is a <a href="https://reliasoftware.com/blog/javascript-frameworks">JavaScript testing framework</a> for mobile apps, providing excellent abstractions for selecting and performing actions on components.
In this blog, I will show you guys the simplest steps to use Detox for E2E testing in your React Native application. By the end of this guide, you'll have a basic understanding of how to apply Detox to your project.
&gt;&gt;&nbsp;Read more: Top 5 <a href="https://reliasoftware.com/blog/top-5-react-native-app-development-companies">React Native App Development Companies</a>
<h2>What is Detox?</h2>
Detox is a JavaScript <a href="https://reliasoftware.com/blog/end-to-end-testing-tool-and-frameworks">end-to-end testing framework</a> for mobile apps. It provides tools and APIs to test your app's quality and behavior, ensuring it looks great, operates well, and runs properly on phones and tablets.&nbsp;Amazing projects like <code>react-native-navigation</code> and <code>react-native-ui-lib</code> are also maintained by Wix.
Detox offers tools and special code (APIs) to test your app's quality and behaviour. Detox framework guarantees your software looks great, operates well, and runs properly on phones and tablets.
A typical Detox test looks like this:
<pre class="language-javascript"><code>/* eslint-env detox/detox, mocha */
import { by, device, expect, element } from 'detox';

describe('Example', () =&gt; {
 beforeAll(async () =&gt; {
 await device.launchApp();
 });

 beforeEach(async () =&gt; {
 await device.reloadReactNative();
 });

 it('should have welcome screen', async () =&gt; {
 await expect(element(by.text('username-input'))).toBeVisible();
 });
});
</code></pre>
The syntax looks very similar to what we usually do with <a href="https://reliasoftware.com/blog/what-is-unit-testing">unit tests</a>.
<h2>4 Steps for Implementing React Native End-to-End Testing with Detox</h2>
<h3>Step 1: Setting Up React Native Project</h3>
First, you'll need to bootstrap a new React Native application. For this example, we'll use a TypeScript template:
<pre class="language-typescript"><code>npx react-native init MyApp --template react-native-template-typescript
</code></pre>
<blockquote>
Note: Detox currently does not support the new React Native architecture.
</blockquote>
<h3>Step 2: Setting Up Detox&nbsp;</h3>
Prerequisites
Ensure you have the following installed:
<ul>
<li>Xcode</li>
<li>Java</li>
<li>Android SDK</li>
<li>Android Emulator</li>
<li>Homebrew (updated)</li>
<li>Node.js</li>
</ul>
Installation Steps
<ul>
<li>Install Detox CLI:</li>
</ul>
<pre class="language-javascript"><code>yarn global add detox-cli
// or
npm install detox-cli --global
</code></pre>
<ul>
<li>Install AppleSimUtils:</li>
</ul>
<pre class="language-javascript"><code>brew tap wix/brew &amp;&amp; brew install applesimutils
</code></pre>
<ul>
<li>Install Detox and Jest Circus:</li>
</ul>
<pre class="language-javascript"><code>yarn add detox -D
// or
npm install detox --save-dev

yarn add jest-circus -D
</code></pre>
<ul>
<li>Initialize Detox Configuration:</li>
</ul>
<pre class="language-javascript"><code>detox init -r jest
</code></pre>
This will generate the following configuration files:
<ul style="list-style-type: square;">
<li><code>.detoxrc.json</code></li>
<li><code>e2e/config.json</code></li>
<li><code>e2e/environment.json</code></li>
</ul>
You will need to update <code>.detoxrc.json</code> to specify the paths to your app binaries:
<pre class="language-javascript"><code>{
 "testRunner": "jest",
 "runnerConfig": "e2e/config.json",
 "skipLegacyWorkersInjection": true,
 "apps": {
 "ios": {
 "type": "ios.app",
 "build": "xcodebuild -workspace ios/MyApp.xcworkspace -scheme MyApp -configuration Debug -derivedDataPath ios/build",
 "binaryPath": "ios/build/Build/Products/Debug-iphonesimulator/MyApp.app"
 },
 "android": {
 "type": "android.apk",
 "binaryPath": "android/app/build/outputs/apk/debug/app-debug.apk",
 "build": "cd android &amp;&amp; ./gradlew assembleDebug"
 }
 },
 "devices": {
 "simulator": {
 "type": "ios.simulator",
 "device": {
 "type": "iPhone 11"
 }
 },
 "emulator": {
 "type": "android.emulator",
 "device": {
 "avdName": "Pixel_3a_API_30_x86"
 }
 }
 }
}
</code></pre>


<h3>Step 3: Writing Your First Detox React Native Test Case&nbsp;</h3>
Preparing Your Environment
<ul>
<li>Add TypeScript Support:</li>
</ul>
<pre class="language-javascript"><code>yarn add ts-jest -D
</code></pre>
<ul>
<li>Add ESLint Plugin for Detox:</li>
</ul>
<pre class="language-javascript"><code>yarn add eslint-plugin-detox -D
</code></pre>
<ul>
<li>Update <code>.eslintrc</code> Configuration:</li>
</ul>
<pre class="language-javascript"><code>{
 "plugins": ["detox"]
}
</code></pre>
<ul>
<li>Update <code>e2e/config.json</code> for TypeScript:</li>
</ul>
<pre class="language-javascript"><code>{
 "preset": "ts-jest",
 "maxWorkers": 1,
 "testEnvironment": "./environment",
 "testRunner": "jest-circus/runner",
 "testTimeout": 120000,
 "testRegex": "\\\\.spec\\\\.ts$",
 "reporters": ["detox/runners/jest/streamlineReporter"],
 "verbose": true
}
</code></pre>
Writing Your First Test Case
Create a file <code>e2e/firstTest.spec.ts</code> with the following content:
<pre class="language-javascript"><code>/* eslint-env detox/detox, mocha */
import { by, device, expect, element } from 'detox';

describe('Example', () =&gt; {
 beforeAll(async () =&gt; {
 await device.launchApp();
 });

 beforeEach(async () =&gt; {
 await device.reloadReactNative();
 });

 it('should have welcome screen', async () =&gt; {
 await expect(element(by.text('Step One'))).toBeVisible();
 });
});
</code></pre>
<h3>Step 4: Running your Detox React Native Test Case</h3>
<ul>
<li>Build Your Application:</li>
</ul>
<pre class="language-javascript"><code>detox build
</code></pre>
<ul>
<li>Run Your Test Cases:</li>
</ul>
<pre class="language-javascript"><code>detox test
</code></pre>
If everything is set up correctly, you will see the following message in your terminal console:
<pre class="language-javascript"><code>PASS e2e/firstTest.spec.js (7.514s)
Example
 ✓ should have welcome screen (260ms)
</code></pre>
&gt;&gt;&nbsp;Read more:
<ul>
<li>Top 10 <a href="https://reliasoftware.com/blog/top-best-react-and-react-native-IDEs">Best Open Source React &amp; React Native IDEs</a> in 2023</li>
<li><a href="https://reliasoftware.com/blog/building-front-end-applications-with-react">An In-Depth Guide for Front-End Development with React</a></li>
</ul>
<h2>Conclusion</h2>
Detox is an excellent framework for end-to-end testing of React Native applications. While it offers powerful abstractions and tools, you might occasionally encounter configuration challenges. For any issues, refer to the GitHub issues page and community forums for assistance. Give Detox a try to ensure your app is robust and reliable!
For further reading and support, check out the following resources:
<ul>
<li><a href="https://wix.github.io/Detox/docs/introduction/getting-started/">Detox Documentation</a></li>
<li><a href="https://reactnative.dev/docs/getting-started">React Native Documentation</a></li>
<li><a href="https://github.com/wix/Detox/issues">Detox GitHub Issues</a></li>
<li><a href="https://github.com/facebook/react-native/issues">React Native GitHub Issues</a></li>
</ul>

&gt;&gt;&gt; Follow and Contact <a href="https://reliasoftware.com/">Relia Software</a> for more information!
</div>
</div>
</div>
</div>

4 Steps to implement React Native End-to-End Testing with Detox: 1: Setting Up React Native Project; 2: Setting Up Detox; 3: Writing Your First Detox Test Case, etc.

An Ultimate Guide to React Native End-to-End Testing with Detox | Relia Software

Guide for React Native End-To-End Testing with Detox

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An Ultimate Guide to React Native End-to-End Testing with Detox

React Native vs Flutter: Which is easier to learn? Let&rsquo;s explore the pros and cons of Flutter and React Native. Which one will be the best choice for you?

Flutter or React Native: What to Choose in 2025? | Relia Software

Flutter or React Native: What to Choose in 2023? 

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Flutter or React Native: What to Choose in 2025?

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Relia Software is a leading software development company based in Vietnam and Canada. We offer reliable custom software development and outsourcing services to clients in USA and worldwide. Transform your ideas into reality with our innovative solutions.

Relia Software: Trusted Partner for Custom Software Development Services

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At Relia Software, we believe in the power of design thinking &ndash; a human-centered approach to problem-solving. It's about understanding your users' needs, brainstorming innovative solutions, and iterating on ideas to create exceptional software experiences.&nbsp;
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At Relia Software, we understand the immense potential mobile apps hold for businesses like yours. Therefore, we offer comprehensive Mobile App Development Services to realize your vision. Our expert developers, designers, and strategists work with you to build a stunning mobile app with exceptional features and user experience.
Don't miss out on the mobile potential for your business growth. Let's chat about your app vision and see how we can help!

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Embrace the future with AI. Let's collaborate to bring your groundbreaking ideas to life and set your business on the path to success!

AI isn't sci-fi anymore. We build intelligent solutions that automate tasks, gain insights, and unlock new chances. Let's make your business smarter!

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Let&rsquo;s unleash the power of DevOps. We automate your software pipeline, smash deployment times, and keep your teams in sync &ndash; all on the cloud.

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As a DevOps services company with over 11 years of experience, Relia may bring value to your product from start to finish.

DevOps Services And Solutions

Relia Software understands that building a top-notch development team can be challenging. Our Software Development Outsourcing Services offer a cost-effective and flexible solution to fulfill your project needs. We connect you with a pool of talented developers worldwide, optimize your development process, and achieve your business goals.
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You want to build a top tech team? We will help you access global talent, optimize workflows, and achieve your goals &ndash; all under your budget.

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That's why we're your one-stop shop for web app development. Whether you need a custom application or a streamlined web presence, we have the expertise to deliver.&nbsp;
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