Comparison

devdex vs Learn JavaScript | Learn JS

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

Head to head
About

devdex

This app helps developers practice coding syntax for JavaScript, TypeScript, and Swift. It offers over 200 questions, tracks your progress with a weekly streak, and provides statistics on accuracy and quantity. Links to official language documentation are also included.

Highlights
  • JavaScript, TypeScript, Swift support
  • Over 200 practice questions
  • Weekly streak tracker
  • Accuracy and quantity statistics
  • Links to language documentation
Features
Read full description

v1.0 Features: - JavaScript, TypeScript, Swift - Over 200 questions - Weekly streak tracker - Accuracy and quantity stats - Links to language docs LICENSED APPLICATION END USER LICENSE AGREEMENT: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Learn JavaScript | Learn JS

Master JavaScript with comprehensive tutorials, an interactive code editor, and practical examples. Learn fundamentals to advanced concepts, track your progress, and practice coding offline. Ideal for beginners and professionals looking to enhance web development skills.

Highlights
  • Comprehensive JavaScript tutorials
  • Interactive code editor
  • Quizzes and coding challenges
  • Real-world practical examples
  • Offline access to materials
  • Learning progress tracker
  • Dark mode and customization
Features
Read full description

Learn JavaScript – Your Ultimate Guide to Web Development! Unlock the power of JavaScript, the world's most popular programming language, with our all-in-one learning app. Whether you're a beginner starting from scratch or a professional looking to enhance your skills, this app is designed to guide you through every aspect of JavaScript with ease and confidence. Why Learn JavaScript? JavaScript is the cornerstone of modern web development, enabling you to create dynamic and interactive websites, applications, and much more. By mastering JavaScript, you’ll open the door to exciting career opportunities in web development, game design, mobile app development, and even artificial intelligence! App Features Comprehensive Tutorials Learn step-by-step from JavaScript fundamentals to advanced concepts like ES6, asynchronous programming, and frameworks. Well-structured topics make it easy to follow and retain concepts. Interactive Code Editor Practice writing JavaScript code in real-time without needing external tools. Get instant feedback to understand and correct your mistakes. Quizzes and Challenges Test your knowledge with engaging quizzes and coding challenges. Track your progress and identify areas to improve. Practical Examples Explore real-world examples to understand how JavaScript is applied in projects. Learn concepts like DOM manipulation, event handling, APIs, and more. Dark Mode and Customization Study comfortably with a user-friendly dark mode interface. Customize font size and themes to suit your preferences. Offline Access Access learning materials and examples even when you're offline. Learning Progress Tracker Stay motivated by tracking your completed topics, quizzes, and achievements. Topics Covered Introduction to JavaScript: Understand the basics and importance of JavaScript. Variables and Data Types: Learn how to work with numbers, strings, arrays, and objects. Functions: Master function declarations, expressions, and arrow functions. DOM Manipulation: Control web page elements dynamically. Event Handling: Create interactive web pages with event listeners. ES6+ Features: Learn modern JavaScript features like let, const, template literals, destructuring, and more. Asynchronous JavaScript: Dive into promises, async/await, and AJAX. Object-Oriented Programming (OOP): Understand classes, inheritance, and prototypes. Error Handling: Write robust code by managing exceptions and errors. APIs and Fetch: Learn to interact with web services and retrieve data dynamically. Who Is This App For? Students: Get a head start in web development with interactive tutorials. Web Developers: Enhance your skills and stay updated with modern JavaScript. Coding Enthusiasts: Build your coding knowledge from the ground up. Why Choose Our App? Beginner-Friendly: Learn at your own pace with simplified explanations. Regular Updates: Stay ahead with the latest JavaScript features and practices. Community Support: Join a growing community of learners and developers. Learn Anytime, Anywhere With our Learn JavaScript app, you can explore programming concepts on the go. Study during commutes, at your favorite coffee shop, or while relaxing at home. All you need is a mobile device to start learning and coding. Boost Your Career JavaScript is not just a skill; it’s your gateway to high-paying jobs in web development, software engineering, and beyond. By mastering JavaScript, you’ll be equipped to work on diverse projects, including web applications, server-side programming, and more. Download Now Ready to embark on your JavaScript learning journey? Download our app today and take the first step towards becoming a skilled developer. Let’s code, create, and conquer the web together! Start learning JavaScript today and transform your future in tech!

Screenshots

devdex3 screens
Learn JavaScript | Learn JS4 screens

Verdict

The call

The clearest difference is in-app purchases: Learn JavaScript | Learn JS at none against devdex's 2. Learn JavaScript | Learn JS also leads on update cadence (weekly vs every 3 weeks) and iOS requirement (12.0 vs 15.1). On price, rating, ratings volume and ads 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. devdex sells 2 in-app purchases, starting at $4.99 per month. Learn JavaScript | Learn JS asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for devdex against 5.0 for Learn JavaScript | Learn JS. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

devdex ships an update every 3 weeks, Learn JavaScript | Learn JS weekly. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

Scorecard4 real differences · 6 level
devdex versus Learn JavaScript | Learn JS: the parameters behind the verdict, then further details
ParameterdevdexLearn JavaScript | Learn JS
PriceFreeFree
Rating5.0 (1 ratings)5.0 (1 ratings)
Positive reviews—100.0% of reviews
Number of ratings11
Update frequencyEvery 3 weeksWeekly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.112.0 — better
Further details — not scored
Size41 MB56 MB
Age rating4+4+
DeveloperTrevor PenningtonAjit Jain

Customer experience

devdex

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Learn JavaScript | Learn JS

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

devdex

Subscriptions2
  • Devdex Monthly$4.991 Month
  • Devdex - Yearly$34.991 Year
None

Learn JavaScript | Learn JS

No in-app purchases

Questions

Is devdex free?
devdex is free to download, with in-app purchases available.
Is Learn JavaScript | Learn JS free?
Learn JavaScript | Learn JS is free to download, with no in-app purchases.
Which has better reviews, devdex or Learn JavaScript | Learn JS?
devdex and Learn JavaScript | Learn JS are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.
Do devdex or Learn JavaScript | Learn JS have ads?
Neither devdex nor Learn JavaScript | Learn JS shows ads.
Which is updated more often, devdex or Learn JavaScript | Learn JS?
devdex ships an update every 3 weeks, and Learn JavaScript | Learn JS weekly. Most recently, devdex was updated on October 24, 2026 and Learn JavaScript | Learn JS on October 30, 2026.

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