Comparison

JS Library Reference vs Learn JavaScript

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

Head to head
About

JS Library Reference

Features
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**JSLibrary - Die ultimative JavaScript-Lern-App** Meistere JavaScript mit der umfassendsten mobilen Referenz- und Lern-App! JSLibrary bietet dir über 131 JavaScript-Funktionen und -Methoden mit detaillierten Erklärungen, Code-Beispielen und interaktiven Lerntools - komplett auf Deutsch und Englisch. ** HAUPTFUNKTIONEN** **Umfassende JavaScript-Referenz** • 131+ Funktionen und Methoden mit vollständiger Dokumentation • 16 übersichtliche Kategorien: Arrays, Strings, Objekte, DOM, Async/Promises, ES6+, Math, JSON, Console, und mehr • Syntax-Beispiele mit Hervorhebung • ES-Version (ES5, ES6, ES8, etc.) für jede Funktion • Über 390 Code-Beispiele mit Erklärungen **Interaktive Lernmodule** • Quiz-System mit Multiple-Choice und Lückentext-Fragen • Flashcards mit Spaced-Repetition-System • 23 Code-Templates in 8 Kategorien • Kategoriebasierte Filterung für gezieltes Lernen **Fortschritts-Tracking** • Verfolge deinen Lernfortschritt in Echtzeit • Streak-System für tägliches Lernen • Statistiken zu meistbesuchten Funktionen • Lernhistorie mit Study Sessions • Exportiere und importiere deine Daten **Vollständig Zweisprachig** • Nahtloser Wechsel zwischen Deutsch und English • Alle Beschreibungen, UI-Elemente und Lernmodule in beiden Sprachen • Perfekt für deutschsprachige Entwickler, die auch auf Englisch arbeiten **Persönliche Anpassungen** • Markiere Funktionen als Favoriten • Füge eigene Notizen hinzu • Erstelle Custom-Tags für Organisation • Markiere gelernte Funktionen • iCloud Sync - alle Daten synchronisiert auf deinen Geräten **Moderne Benutzeroberfläche** • Natives SwiftUI-Design • Dark Mode Unterstützung • Intuitive Navigation • Haptic Feedback für bessere UX • Syntax-Highlighting für Code **PERFEKT FÜR:** • JavaScript-Einsteiger, die die Grundlagen lernen • Fortgeschrittene Entwickler als Nachschlagewerk • Studierende in Web-Entwicklung-Kursen • Alle, die JavaScript beherrschen möchten **KATEGORIEN:** Array-Methoden • String-Methoden • Objekt-Methoden • DOM-Manipulation • Async/Promises • ES6+ Features • Math & Zahlen • JSON • Console-Methoden • Set & Map • Datum & Zeit • LocalStorage • RegExp • Type Checking • Moderne Operators • Classes **KEINE WERBUNG, KEINE ABOS** Einmalige App mit allen Features inklusive. Keine versteckten Kosten, keine In-App-Käufe.

About

Learn JavaScript

Master the language of the web with interactive lessons, quizzes, and a built-in code playground. Build a consistent learning habit with daily challenges and track your progress with an achievement system. Learn JavaScript effectively, from beginner to advanced.

Highlights
  • Interactive lessons
  • Quizzes with instant feedback
  • Built-in code playground
  • Daily coding challenges
  • Achievement system
  • Dark mode
  • Multi-language support
Features
Read full description

Master modern JavaScript programming from syntax foundations to advanced ES6+, asynchronous async/await, and DOM manipulation with Learn JavaScript Coding Offline! The complete hands-on JavaScript academy designed to teach you full web scripting without an internet connection. Whether you are learning to code from scratch, preparing for web development interviews, or building dynamic client-side applications, this app combines structured roadmap lessons, interactive quizzes, and a built-in on-device JavaScript execution engine. COMPLETE MODERN JAVASCRIPT CURRICULUM: - Core Language Fundamentals: Variables (let, const), primitive types, operators, conditionals (if/else, switch), loops (for, while, for...of). - Functions & Lexical Scope: Arrow functions, parameter defaults, closures, first-class functions, recursion, and variable hoisting. - Modern ES6+ Features: Object and array destructuring, spread/rest operators, template literals, optional chaining, and nullish coalescing. - Arrays & Objects Mastery: Methods including map, filter, reduce, find, some, every, Object.entries, and deep copying techniques. - Asynchronous JavaScript & APIs: Promises, async/await syntax, event loop, microtask queue, try/catch error handling, and Fetch API patterns. - DOM Manipulation & Events: Selecting HTML nodes, dynamic class toggling, listening to click/input events, event bubbling, and dynamic UI rendering. - Interactive On-Device Code Engine: Write, execute, and debug real JavaScript code safely inside the app with instant console output. - 100% Offline Coding: Learn syntax, review cheat sheets, and run scripts anytime on flights or commutes without Wi-Fi. COMMITTED TO PRIVACY: No data tracking, no mandatory subscriptions, and zero internet permissions required. Download Learn JavaScript Coding Offline today and write modern JavaScript like a pro!

Screenshots

JS Library Reference4 screens
Learn JavaScript4 screens

Verdict

The call

The clearest difference is ads: JS Library Reference at none against Learn JavaScript's shown. Learn JavaScript's advantage is iOS requirement (15.1 vs 17.0). On price, 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Scorecard2 real differences · 8 level
JS Library Reference versus Learn JavaScript: the parameters behind the verdict, then further details
ParameterJS Library ReferenceLearn JavaScript
PriceFreeFree
Rating—3.0 (2 ratings) — better
Positive reviews—0.0% of reviews
Number of ratings—2 — better
Update frequency—Every 3 months
AdsNo — betterYes
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.015.1 — better
Further details — not scored
Size3 MB122 MB
Age rating4+4+
DeveloperRoger RubNagy Solaiman

In-app purchases

None

JS Library Reference

No in-app purchases

None

Learn JavaScript

No in-app purchases

Questions

Is JS Library Reference free?
JS Library Reference is free to download, with no in-app purchases.
Is Learn JavaScript free?
Learn JavaScript is free to download, with no in-app purchases.
Do JS Library Reference or Learn JavaScript have ads?
Learn JavaScript shows ads; JS Library Reference does not.

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