How to Use React Native to Build a High-Performance App

In the world of mobile apps, performance and user experience are everything. Users expect fast, fluid apps that work seamlessly on both Android and iOS. That’s where React Native, a cross-platform development framework developed by Facebook, stands out. It allows you to build high-performance mobile apps using a single codebase, while delivering near-native speed and appearance.

This article explains how to use React Native to create high-performance apps, along with best practices, tips, and why choosing an experienced mobile app development company in Canada like Devherds is a smart move.

What Is React Native?

React Native is an open-source framework that enables developers to build mobile apps using JavaScript and React. It compiles to native code, making it faster and more efficient than traditional hybrid app frameworks.

Key Benefits of React Native:

One codebase for both Android and iOS
Native-like performance
Fast development with hot reload
Rich ecosystem and strong community
Easy integration with native modules

React Native is trusted by companies like Facebook, Instagram, Airbnb, and Walmart—proof of its scalability and performance capabilities.

Why Choose React Native in 2025?

In 2025, businesses are looking for cost-effective solutions that don’t sacrifice quality. React Native offers an ideal balance between development speed, app performance, and platform coverage.

Here’s why React Native is the go-to framework:

Supports AI and AR integration
Works well with modern design systems
Reduces time to market
Optimized for both startups and enterprises

As a mobile application development company in Canada, Devherds has extensive experience building high-performance apps using React Native across multiple industries.

Step-by-Step: Building a High-Performance App with React Native

Step 1: Set Up Your Environment

First, install the necessary tools:

Node.js and npm (Node Package Manager)
React Native CLI
Xcode (for iOS) and Android Studio (for Android)

This creates a boilerplate React Native app. You’re now ready to build.

Step 2: Plan for Performance from Day One

Performance isn’t something you “add later”—you must plan for it from the start.

Performance Planning Checklist:

Choose the right navigation library (React Navigation or React Native Navigation)
Keep components stateless when possible
Use FlatList instead of ScrollView for large data
Avoid unnecessary renders
Optimize image sizes and formats

Partnering with a mobile app development company in Canada like Devherds ensures that your app architecture supports long-term performance and scalability.

Step 3: Build with a Modular Approach

Break your app into smaller, reusable components. This improves performance and maintainability.

Example:

Use React Hooks like useMemo and useCallback to manage memory and re-renders effectively.

Step 4: Use Native Modules for Resource-Intensive Tasks

React Native offers a JavaScript bridge to communicate with native APIs. But for complex tasks (like AR, video processing, or file handling), you may need native modules written in Swift, Objective-C, or Java.

Devherds’ mobile app developers in Canada specialize in writing and integrating native modules into React Native apps to maintain high performance.

Step 5: Optimize Image and Asset Handling

Poor asset handling is a common performance bottleneck. Best practices include:

Use react-native-fast-image for optimized caching
Compress images before bundling
Use appropriate file formats (WebP for Android, HEIF for iOS)
Lazy-load non-essential assets

Our team ensures that assets are handled efficiently as part of our mobile app development services in Canada.

Step 6: Use State Management Wisely

For high-performance apps, avoid prop drilling or excessive state updates. Recommended solutions:

Context API for small apps
Redux or MobX for large-scale applications
Recoil for simpler, scalable state management

At Devherds, we tailor your state management architecture based on your app’s complexity and expected traffic.

Step 7: Monitor Performance During Development

Use built-in tools and libraries:

Flipper for debugging
React DevTools
React Native Performance Monitor
Firebase Performance Monitoring

Track frame drops, slow renders, and network latency to improve responsiveness.

Advanced Tips to Maximize React Native App Performance

Use Hermes: This open-source JavaScript engine boosts performance for Android apps.
Enable Proguard: Reduces app size and obfuscates code.
Code Splitting: Load only what the user needs—improves speed and reduces memory usage.
Avoid Inline Functions in Render Methods: Prevents unnecessary re-renders.
Minimize Third-Party Libraries: Use only what you need—too many dependencies slow you down.

Testing for Performance

Before launch, conduct multiple levels of testing:

Unit Tests (Jest)
End-to-End Tests (Detox)
Load Testing
UI Performance Benchmarking

Devherds, as a top mobile app development company in Canada, runs full-scale performance and stress tests to guarantee seamless user experiences.

Deploying Your React Native App

Once your app is built and tested:

Generate builds for Android (.apk or .aab) and iOS
Integrate with CI/CD pipelines for faster deployments
Publish on Play Store and App Store

We handle full-cycle deployment and post-launch monitoring as part of our mobile app development services in Canada.

Why Choose Devherds for React Native Development?

✅ Deep Expertise in React Native
We’ve delivered high-performance apps across industries like healthcare, fintech, education, and e-commerce.

✅ End-to-End Solutions
From UI/UX design and architecture to post-launch support, we handle every step.

✅ Agile & Transparent Process
Get bi-weekly sprints, detailed reporting, and flexibility to evolve your app.

✅ Scalable Team
Our in-house mobile app developers in Canada include React Native experts, backend engineers, QA testers, and UI/UX designers.

✅ Local Understanding with Global Vision
We comply with Canadian standards (PIPEDA) and design for diverse users worldwide.

Final Thoughts

React Native is no longer just an alternative—it’s a mainstream choice for businesses that need performance, flexibility, and fast delivery. Whether you’re building your first MVP or scaling a mission-critical app, React Native provides the right tools—and Devherds provides the right team.

By combining best-in-class development practices with proven performance strategies, we help businesses in Canada and beyond bring high-impact apps to life.