Learn JavaScript Development vs Learn Underscore.js Offline
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Learn JavaScript Development
Master front-end and back-end development with comprehensive JavaScript tutorials. Learn basic to advanced concepts, including popular frameworks like React, Angular, and Vue.js, all available offline.
- Complete JavaScript path
- Front-end & Back-end development
- ES6 & ES.Next
- Popular frameworks (React, Angular, Vue)
- Offline access
- Ad-free experience
- Interview questions
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Become a Job Ready JavaScript Developer. Learn JavaScript Coding and Master Front-end & Back-End Development. Learn Basic to Advanced Javascript Programming + ES6 & ES.Next + Angular + React + Vue.js + Ember.js + Backbone.js + Aurelia + Knockout.js + Riot + Express.Js + Koa.js + Meteor.Js Jquery + Jquery UI + AJAX + Rxjs + Ionic + NativeScript + React Native frameworks tutorials and more completely OFFLINE & Ads-Free. Also, our team is constantly working on more JavaScript content and more tutorials on frontend & backend frameworks will be added very soon. What is JavaScript? JavaScript is a scripting or programming language that allows you to implement complex things on web pages, every time a web page does more than just sit there and display static information for you to look at displaying timely content updates, interactive maps, animated 2D/3D graphics, scrolling videos, etc. you can bet that JavaScript is probably involved. This app contains all the major Basics to Advanced topics of JavaScript coding with JavaScript Interview Questions and simple code examples. Learn ES6 Programming: ES6 is a scripting language specification standardized by ECMAScript International. It is used by applications to enable client-side scripting. Languages like JavaScript, Jscript, and ActionScript are governed by this specification. Learn Angular Coding: Angular is an open-source JavaScript framework for building web applications and web apps using JavaScript, HTML, and Typescript which is a superset of JavaScript. Learn React Coding: React.js is a front-end library. It is used for handling the view layer for web and mobile apps. ReactJS allows us to create reusable UI components. It is currently one of the most popular JavaScript libraries and has a strong foundation and large community behind it. learn Vue.js Coding: VueJS is a progressive JavaScript framework used to develop interactive web interfaces. The focus of Vue.js is more on the view part, which is the front end. It is very easy to integrate with other projects and libraries. Learn Ember.js: Ember.js is an open-source JavaScript client-side framework used for developing web applications. It uses the MVC(Model-View-Controller) architecture pattern. Learn Aurelia: Aurelia is a modern, open-source UI framework for web and mobile app development. It allows you to write clean, modular JavaScript. Learn Express: Express is a minimal and flexible Node.js web application framework that provides a robust set of features for web and mobile applications. Learn Meteor: Meteor is a full-stack JavaScript platform for building web and mobile apps. Meteor makes it easier to create real-time apps. Learn Koa: Koa.js is a minimal and flexible Node.js web application framework that provides a robust set of features for web and mobile applications. Learn JQuery: jQuery is an elegant, fast, and concise JavaScript library created by John Resig. jQuery simplifies HTML document traversing, event handling, animating, and Ajax interactions for faster Website Development. Learn JQuery UI: JqueryUI is a popular front-end framework. It's a sleek, intuitive, and powerful mobile first front-end framework for faster and easier web development. It uses HTML, CSS, and Javascript. Learn Ionic: Ionic is an open-source framework used for developing mobile applications. It provides tools and services for building Mobile UI with a native look and feel. The ionic framework needs a native wrapper to be able to run on mobile devices. Learn React Native: React Native is a JavaScript framework for building native mobile apps. It uses the React framework and offers a large amount of inbuilt components and APIs.
Learn Underscore.js Offline
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Learn Underscore.js is a complete offline learning app designed for beginners and experienced JavaScript developers who want to master the Underscore.js utility library. Whether you are preparing for interviews, improving your web development skills, or building modern JavaScript applications, this app provides everything you need in one place. The app covers Underscore.js from the fundamentals to advanced concepts using clear explanations, practical examples, and organized lessons. Every topic is designed to help you understand utility functions and write cleaner, more maintainable JavaScript code. Learn anytime without an internet connection. Study at your own pace with an intuitive interface built for efficient learning. Features Comprehensive Underscore.js tutorials Beginner to advanced learning path Easy-to-understand explanations Practical code examples Function reference with syntax JavaScript utility methods Collection functions Array functions Object functions Function utilities Chaining methods Template functions Real-world programming examples Coding best practices Common interview questions Frequently asked questions Bookmark favorite lessons Search topics instantly Track your learning progress Offline learning support Regular content updates Clean and user-friendly interface Topics Covered Introduction to Underscore.js Installation and Setup Collections Arrays Objects Functions Utility Functions Chaining Templates Type Checking Object Manipulation Array Manipulation Collection Operations Performance Tips Best Practices Interview Preparation Frequently Asked Questions Who Should Use This App Students learning JavaScript Frontend developers Backend developers Full Stack developers Web development beginners Programming enthusiasts Software engineers Job seekers preparing for interviews Anyone interested in JavaScript utility libraries Why Choose Learn Underscore.js The lessons are carefully structured to help you build a strong understanding of Underscore.js. With offline access, practical examples, quizzes, and interview preparation, this app is an excellent learning companion for improving your JavaScript development skills. Download Learn Underscore.js today and start mastering one of the most popular JavaScript utility libraries.
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Verdict
The clearest difference is update cadence: Learn JavaScript Development at every 4 months against Learn Underscore.js Offline's every 21 months. Learn JavaScript Development also leads on iOS requirement (11.0 vs 13.0). Learn Underscore.js Offline's advantage is price ($1.99 vs $2.99). 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
Learn JavaScript Development costs $2.99 and Learn Underscore.js Offline $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Learn JavaScript Development ships an update every 4 months, Learn Underscore.js Offline every 21 months. The most recent releases landed on November 3, 2026 and November 11, 2026 respectively.
| Parameter | Learn JavaScript Development | Learn Underscore.js Offline |
|---|---|---|
| Price | $2.99 | $1.99 — better |
| Rating | 4.4 (33 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 33 — better | — |
| Update frequency | Every 4 months — better | Every 21 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 81 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | Shahbaz Khan | Muhammad Mubeen |
In-app purchases
Learn JavaScript Development
No in-app purchases
Learn Underscore.js Offline
No in-app purchases
Questions
Is Learn JavaScript Development free?
Is Learn Underscore.js Offline free?
Do Learn JavaScript Development or Learn Underscore.js Offline have ads?
Which is updated more often, Learn JavaScript Development or Learn Underscore.js Offline?
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