Comparison

Learn React.js vs Write German

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Learn React.js

Master modern web development with a comprehensive guide to React.js. Learn HTML, CSS, JavaScript, TypeScript, and advanced frameworks like Next.js, Gatsby, and Remix. Includes interactive quizzes and progress tracking.

Highlights
  • 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
Features
Read full description

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

About

Write German

Read full description

Write German Build stronger German writing skills through focused practice, clear grammar support, and daily guided challenges. Write German helps learners turn grammar knowledge into accurate written German. Practice short answers, rewrite sentences in a more natural style, review common mistakes, and explore a structured German grammar guide from basic sentence patterns to advanced text cohesion, register, style, and writing tasks. Features: - Daily writing challenges with precision tasks, rewrites, and short responses - Clear answer explanations for grammar, word choice, and sentence structure - A complete German grammar reference organized by topic - Practice for articles, cases, verbs, word order, prepositions, connectors, punctuation, style, and text types - Useful writing prompts for emails, requests, complaints, summaries, reports, and opinions - Mistake review tools to help you focus on weak areas - Clean, distraction-light design for steady study Whether you are preparing for German class, improving everyday messages, or building confidence for exams and work, Write German gives you practical exercises and reliable grammar support in one place. Start writing better German today with daily practice and clear guidance!

Screenshots

Learn React.js4 screens
Write German4 screens

Verdict

The call

The clearest difference is update cadence: Write German at every 4 months against Learn React.js's every 15 months. Learn React.js's advantage is price ($1.99 vs $5.99) and iOS requirement (13.0 vs 15.1). On ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Learn React.js costs $1.99 and Write German $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Learn React.js ships an update every 15 months, Write German every 4 months. The most recent releases landed on October 9, 2026 and September 25, 2026 respectively.

Scorecard3 real differences · 6 level
Learn React.js versus Write German: the parameters behind the verdict, then further details
ParameterLearn React.jsWrite German
Price$1.99 — better$5.99
Rating5.0 (7 ratings) — better—
Number of ratings7 — better—
Update frequencyEvery 15 monthsEvery 4 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.1
Further details — not scored
Size64 MB50 MB
Age rating4+4+
DeveloperMuhammad MubeenSimTeCon GmbH

In-app purchases

None

Learn React.js

No in-app purchases

None

Write German

No in-app purchases

Questions

Is Learn React.js free?
Learn React.js costs $1.99, with no in-app purchases.
Is Write German free?
Write German costs $5.99, with no in-app purchases.
Do Learn React.js or Write German have ads?
Neither Learn React.js nor Write German shows ads.
Which is updated more often, Learn React.js or Write German?
Learn React.js ships an update every 15 months, and Write German every 4 months. Most recently, Learn React.js was updated on October 9, 2026 and Write German on September 25, 2026.

Other comparisons