Comparison

Learn JavaScript Programming vs DUX

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

Head to head
About

Learn JavaScript Programming

Master JavaScript programming from basic to advanced concepts. This comprehensive guide covers essential topics, projects, and tutorials to help you build dynamic web applications and websites. Learn to implement complex features and enhance user interactivity on the web.

Highlights
  • Basic JavaScript Programming
  • Object-Oriented Programming
  • Advanced JavaScript
  • TypeScript
  • Node.js
  • Front-end Development
  • ES6 & ES.Next
  • jQuery & jQuery UI
  • AJAX
Features
Read full description

Learn JavaScript from the fundamentals to modern web development. Whether you are starting from zero or improving your developer skills, Learn JavaScript gives you a practical path to understand JavaScript, build web applications, and explore the tools used by modern developers. This app will give you all the basics to advanced knowledge you need to start developing your own web apps & websites with JavaScript. This is an in-depth guide to the most popular programming language JavaScript, after completing this JavaScript tutorial you will be able to develop your own cool web applications. This app contains all the aspects of JavaScript Programming with Excellent Projects and Javascript Tutorials. 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. MASTER JAVASCRIPT FUNDAMENTALS Build a strong foundation with lessons covering: • JavaScript syntax and variables • Data types, operators, and expressions • Conditions and loops • Functions, callbacks, and arrow functions • Arrays and objects • Strings, numbers, dates, and math • Destructuring, spread syntax, and modern ES6+ • Error handling and defensive programming • Events, forms, and input validation • DOM manipulation and browser APIs • Asynchronous JavaScript • Promises and modern async patterns PRACTICE WITH REAL PROJECTS Turn concepts into working applications with guided, hands-on projects. Practice DOM manipulation, user input, validation, event handling, local storage, and interactive web app development. LEARN YOUR WAY Use focused lessons, practical tips, best-practice guidance, “good to know” explanations, framework references, coding challenges, and quick-reference cheat sheets to reinforce what you learn. Benefits of Learning Javascript Programming Less server Interaction: You can validate user input before sending the page off to the server. This saves server traffic, which means less load on your server. JavaScript Programming is Fun: JavaScript is mainly used for frontend development, and there are various tools that will allow you to quickly get a working prototype with JavaScript. Nonetheless, you should first focus on obtaining a solid understanding of JavaScript before you explore what the community has to offer. Immediate feedback: Users don't have to wait for a page reload to see if they have forgotten to enter something. JavaScript is Easy to Learn JavaScript is somewhat easy to get started with as it is a higher-level language, which means JavaScript abstracts away most of the complex details of the machine so you can focus on learning how to program. What's more, you can get started with coding JavaScript straight from your browser without setting up any development environment, which is a reason many beginners seem to like it. Start learning JavaScript and build skills you can use in real web projects.

About

DUX

Master user experience design with a comprehensive guide to design principles. Explore interactive examples, case studies, and practical tips to enhance your digital creations. Ideal for designers and enthusiasts looking to create captivating user experiences.

Highlights
  • Comprehensive design principles
  • Interactive learning modules
  • Practical implementation tips
  • User-friendly interface
  • Case studies and examples
Features
Read full description

Unlock the secrets to crafting remarkable user experiences with DUX, your ultimate guide to design principles. Whether you're a seasoned UX designer, a budding enthusiast, or someone eager to enhance their digital creations, this app is your go-to resource for mastering the art and science of user-centered design. Features: - Comprehensive Collection: Access a curated compilation of fundamental design principles based on psychological insights, user behavior studies, and real-world applications. - Interactive Learning: Dive into each law with interactive examples, case studies, and practical applications to deepen your understanding and improve your design skills. - Practical Guidance: Receive actionable tips and best practices for implementing each law into your design projects, ensuring optimal user engagement and satisfaction. - User-Friendly Interface: Navigate effortlessly through the app's intuitive interface, designed for seamless exploration and easy accessibility to content. Whether you're designing websites, mobile apps, or digital interfaces, DUX equips you with the knowledge and tools to create experiences that captivate and delight users. Download now and revolutionize your approach to user experience design! Terms of Use: https://dux-lab.com/terms-of-use

Screenshots

Learn JavaScript Programming4 screens
DUX4 screens

Verdict

The call

The clearest difference is review sentiment: DUX at 100% against Learn JavaScript Programming's 43%. DUX also leads on ads (none vs shown) and rating (5.0 vs 4.6). Learn JavaScript Programming's advantage is in-app purchases (none vs 8) and ratings volume (372 vs 9). On price, update cadence, device support and iOS requirement 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. DUX sells 8 in-app purchases, starting at $1.99 per month. Learn JavaScript Programming asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

DUX holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Learn JavaScript Programming has 372 ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 43% of Learn JavaScript Programming's written reviews are positive against 100% of DUX's.

UpkeepUpdate frequency

Learn JavaScript Programming ships an update every 2 months, DUX every 3 months. The most recent releases landed on October 6, 2026 and September 20, 2026 respectively.

Scorecard6 real differences · 4 level
Learn JavaScript Programming versus DUX: the parameters behind the verdict, then further details
ParameterLearn JavaScript ProgrammingDUX
PriceFreeFree
Rating4.6 (372 ratings)5.0 (9 ratings) — better
Positive reviews42.9% of reviews100.0% of reviews — better
Number of ratings372 — better9
Update frequencyEvery 2 months — betterEvery 3 months
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad
Requires iOS1717.0
Further details — not scored
Size145 MB48 MB
Age rating9+4+
DeveloperShahbaz KhanAmirHossein Golmohammadi

Customer experience

Learn JavaScript Programming

All ratings372 ratings
Positive91.7%
Neutral1.6%
Negative6.7%
Written reviews35 reviews
Positive42.9%
Neutral2.9%
Negative54.3%

DUX

All ratings9 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Learn JavaScript Programming

Reported bugs

7 issues
  • Loading issues
  • Compiler doesn't work
  • Questions in quizzes don't display items to select
  • Some questions don't display possible answers
  • Cannot close ads
Show 2 more
  • Images not displaying, showing 'internet is required' instead
  • App is outdated, using 'var' instead of 'let/const'

Requested features

4 requests
  • Less ads when navigating back
  • More practical coding exercises
  • Show examples of JS used in HTML
  • Improve grammar and English quality

DUX

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Learn JavaScript Programming

No in-app purchases

8 purchases

DUX

Subscriptions3
  • Pro Account - 1 Month$1.991 Month
  • Pro Account - 3 Month$5.993 Months
  • Pro Account - Unlimited Hearts$7.991 Year
One-time5
  • 50 Dux Points$0.99
  • 250 Dux Points$3.99
  • Extra Lesson$3.99
Show 2 more
  • 500 Dux Points$7.99
  • 1000 Dux Points$14.99

Questions

Is Learn JavaScript Programming free?
Learn JavaScript Programming is free to download, with no in-app purchases.
Is DUX free?
DUX is free to download, with in-app purchases available.
Which has better reviews, Learn JavaScript Programming or DUX?
DUX is rated higher. Learn JavaScript Programming averages 4.6 out of 5 from 372 ratings, while DUX averages 5.0 from 9 ratings.
Do Learn JavaScript Programming or DUX have ads?
Learn JavaScript Programming shows ads; DUX does not.
Which is updated more often, Learn JavaScript Programming or DUX?
Learn JavaScript Programming ships an update every 2 months, and DUX every 3 months. Most recently, Learn JavaScript Programming was updated on October 6, 2026 and DUX on September 20, 2026.

Other comparisons