# Learn React.js - Build Apps — React Tutorial & Components

> All-in-one guide to mastering React.js and modern web development. (iPhone/iPad app by Muhammad Mubeen.)

- Source: https://appshunter.io/ios/app/learn-reactjs-build-apps/id1561935031 (this page in markdown: same URL + `.md`)
- Developer: [Muhammad Mubeen](https://appshunter.io/developer/1553722821)
- Category: Education, Reference
- Price: $0.99 (on sale, was $1.99)
- Rating: 5.00/5 from 7 App Store ratings
- Age rating: 4+
- Requires: iOS 13.0 · 64 MB
- Languages: American English
- Released: 2021-05-17
- Data updated: 2026-08-25
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/learn-reactjs-build-apps/id1561935031/reviews.md

## What is Learn React.js?

Learn React.js the right way with our comprehensive mobile learning platform. Whether you are starting your frontend development journey or advancing your React skills, this app provides everything you need to become a proficient React developer.

WHY LEARN REACT.JS

React.js is the most popular JavaScript library for building user interfaces, used by Facebook, Instagram, Netflix, Airbnb, and thousands of companies worldwide. Master React to unlock high-paying frontend developer positions and build modern, interactive web applications.

WHAT YOU WILL LEARN

Progress from fundamentals to advanced concepts through our expertly structured curriculum:

React Fundamentals
Master JSX syntax, components, props, and the virtual DOM. Understand how React works under the hood and build your first React applications with confidence.

Components and Props
Learn functional and class components, component composition, and prop passing. Build reusable UI components that scale across large applications.

State and Lifecycle
Master state management, lifecycle methods, and component updates. Understand when and how to update your UI efficiently.

Hooks and Modern React
Deep dive into useState, useEffect, useContext, useReducer, and custom hooks. Write cleaner, more maintainable code with modern React patterns.

Event Handling
Handle user interactions, form submissions, and synthetic events. Build interactive applications that respond to user input.

Conditional Rendering
Master techniques for showing and hiding UI elements. Implement dynamic interfaces that adapt to application state.

Lists and Keys
Render dynamic lists efficiently, understand key props, and optimize list performance. Work with arrays and collections in React.

Forms and Controlled Components
Build complex forms with validation, handle input changes, and manage form state. Create user-friendly data entry interfaces.

Component Communication
Master parent-child communication, lifting state up, and prop drilling. Understand data flow in React applications.

Context API
Implement global state management without prop drilling. Share data across component trees efficiently.

React Router
Build single-page applications with client-side routing. Implement navigation, dynamic routes, and protected routes.

API Integration
Fetch data from REST APIs, handle loading states, and manage errors. Build applications that consume external data sources.

Performance Optimization
Learn memoization, React.memo, useMemo, useCallback, and code splitting. Build fast, efficient React applications.

Testing React Apps
Write unit tests, integration tests, and end-to-end tests. Ensure your components work correctly with Jest and React Testing Library.

Advanced Patterns
Master render props, higher-order components, compound components, and custom hooks. Write professional-grade React code.

State Management Libraries
Explore Redux, MobX, and Zustand. Understand when and how to use external state management solutions.

Next.js and Server-Side Rendering
Learn server-side rendering, static site generation, and the Next.js framework. Build production-ready React applications.


TOPICS COVERED

JSX and React Elements
Functional Components
Class Components
Props and PropTypes
State Management
Component Lifecycle
React Hooks useState useEffect useContext useReducer useMemo useCallback
Event Handling
Conditional Rendering
Lists and Keys
Forms and Inputs
Controlled vs Uncontrolled Components
Component Composition
Children Props
Render Props
Higher-Order Components
Context API
React Router
API Calls and Fetch
Async Operations
Error Boundaries
Fragments
Portals
Refs and DOM Access
Performance Optimization
Code Splitting
Lazy Loading
Memoization
Virtual DOM
Reconciliation
React DevTools
Testing with Jest
React Testing Library
Redux Fundamentals
Redux Toolkit
State Management Patterns
Next.js Basics
Server-Side Rendering
Static Site Generation

## Key features

- HTML, CSS, JavaScript, TypeScript fundamentals
- Core React.js concepts (Components, Hooks)
- Advanced frameworks (Next.js, Gatsby, Remix)
- State management (Redux)
- UI design (Material UI)
- Interactive quizzes
- Progress tracking


## Frequently asked questions about Learn React.js

### What is Learn React.js?

Learn React.js is a comprehensive guide designed to help users master modern web development. It covers everything from foundational web technologies to advanced React.js concepts and frameworks.

### What programming languages does Learn React.js teach?

Learn React.js teaches HTML5, CSS3, Modern JavaScript (ES6+), and TypeScript. It then builds upon these foundations to teach React.js and its associated frameworks.

### Does Learn React.js cover advanced frameworks?

Yes, Learn React.js covers advanced frameworks such as Next.js for Server-Side Rendering (SSR) and Static Site Generation (SSG), Gatsby for SEO-friendly static websites, and Remix for modern web standards.

### How does Learn React.js help users track their learning?

Learn React.js features progress tracking, allowing users to visualize their journey from beginner to expert. It also includes interactive quizzes after each module to test knowledge.

### What is the price of Learn React.js?

Learn React.js is available for a one-time purchase of $0.99.

### What devices is Learn React.js available on?

Learn React.js is supported on iPhone, iPad, and iPod devices.

### How often is Learn React.js updated?

The latest version of Learn React.js is 2.6.0, and it was last updated on January 15, 2026. This indicates a commitment to keeping the content current.

### Does Learn React.js have ads?

No, Learn React.js does not contain advertisements, providing an uninterrupted learning experience.

## Version history (last 5 releases)

### 2.7 — 2026-07-12

New User Interface
Important Bug Fixes

### 2.6.0 — 2026-01-15

Important bug fixes

### 1.5.9 — 2024-02-22

- New user Interface
- Added more Content
- Added Quizzes
- Important Bug Fixes

### 1.1 — 2021-08-22

- Offline Support
- New user Interface
- Added more Content
- Important Bug Fixes

### 1.0 — 2021-05-17

No release notes.

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## Related topics

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-25.*