Building a smooth and fast mobile app requires careful attention to performance. This guide helps you fix common issues like slow animations, laggy screens, and long startup times. It covers React Native apps on both iOS and Android.
You will learn how to reduce bundle size, prevent memory leaks, and stop unnecessary re-renders. The tips are based on real-world experience from the experts at Callstack. Follow the simple steps to make your app feel faster and more responsive.
Use the priority list to tackle the most important problems first. Every fix comes with code examples and commands to measure your progress. This is a practical tool for any developer who wants a high-performance mobile experience.
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Vercel React Native Skillsvercel-labs/agent-skills
Build fast and smooth React Native apps with proven best practices
Building Native Uiexpo/skills
Build native mobile interfaces with Expo Router and modern UI patterns
Xcode Project Setupfirebase/agent-skills
Add Swift packages and files to Xcode projects safely and quickly
Upgrading Expoexpo/skills
Upgrade Expo SDK versions and fix dependencies with this step by step guide
Expo Deploymentexpo/skills
Deploy Expo apps to iOS, Android, and web with EAS automation
Expo Dev Clientexpo/skills
Build custom Expo dev clients for testing native code on real devices
Use Domexpo/skills
Run web code in native apps using Expo DOM components without rewriting
Flutter Apply Architecture Best Practicesflutter/skills
Architect Flutter apps with clean layers for scalability and maintainability