Comparison

Enigma JS vs JavaScript Champ

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

Head to head
About

Enigma JS

This app offers JavaScript quizzes covering common interview questions for web and mobile developers. It provides detailed explanations to help users learn and practice tricky language concepts and essential React/React Native knowledge.

Highlights
  • Common JavaScript interview questions
  • React and React Native concepts
  • Detailed explanations for each question
  • Quizzes for beginners and experienced developers
  • Practice tricky language parts
Features
Read full description

Enigma is a JavaScript quiz app featuring the most common interview questions. Here, you’ll find tricky parts of JavaScript language and the key concepts essential for React and React Native developers. Whether you are an experienced developer or a beginner, you'll find questions and explanations in this app that will help you learn and practice. Some quizzes are designed to understand the basics, while others targeting tricky parts of the Javascript language that we developers encounter time to time. - Refresh your knowledge by having quick quizzes anywhere during your day. - Stay up-to-date by learning and practicing tricky parts of the language. - For each question see detailed explanations that are designed to help you comprehend the concepts.

About

JavaScript Champ

Learn JavaScript programming through interactive exercises and tutorials covering basics to advanced topics. Prepare for interviews and build practical programs. Gamified elements help you climb ranks and become a job-ready developer.

Highlights
  • Interactive JavaScript exercises
  • Beginner to advanced tutorials
  • Interview preparation questions
  • Offline access
  • Gamified progress tracking
  • Practical programming challenges
Features
Read full description

Learn JavaScript programming via interactive exercises and simple tutorials. The app is suitable for anyone with it's interactive JavaScript programming exercises. Main JavaScript tutorials you'll find: * JavaScript basics - if statements and loops * Advanced JavaScript topics like arrays, matrix, functions and more. * Catchy JavaScript questions to prepare you for interviews. You can make the first steps of starting your career as a JavaScript developer. The JavaScript tutorials and exercises have pretty wide range. This can prepare you for JavaScript interviews. You'll learn anything - from the basics to OOP - Object oriented programming in JavaScript. Make the first steps of becoming a JavaScript developer. All you need is basic JavaScript programming knowledge and your phone/tablet. The app also provides offline access to all of it's JavaScript tutorials. You can learn JavaScript on the go from anywhere. Boost your JavaScript learning experience by climbing ranks. This way you can climb up to the top and become ready for JavaScript programmer job. It doesn't matter if you are a beginner starting his/her JavaScript coding journey or you're advancer learning OOP - Object oriented programming in JavaScript. The app will help you learn all necessary JavaScript programming concepts. It will also let you check if you've learned well JavaScript topic through exercises with feedback. You can build JavaScript problems through challenges solving practical problems. JavaScript is widely used language which can offer you an awesome well paid career as a JavaScript developer. That's why you should add JavaScript programming to your skills. Learn JavaScript PRO to improve your learning experience. * Ad-free experience. Remove any distractions from your JavaScript learning experience. * Unlock puzzles hints * Unlock all challenges and build practical JavaScript programs step by step. * Explanations to all questions. Understand JavaScript concepts via simple and clear explanation. I believe that JavaScript programming needs to be fun. Simple JavaScript tutorials and practical exercises with Gamification UI is the best way to lead you to becoming a JavaScript programmer. Ready to become a JavaScript champ? Download it now! Your feedback and ideas are important. They make me improve the application and boost your JavaScript programming experience. You can reach me at javascript.champ.pro@gmail.com With much Love from the JavaScript Champ dev.

Screenshots

Enigma JS4 screens
JavaScript Champ4 screens

Verdict

The call

The clearest difference is update cadence: JavaScript Champ at fortnightly against Enigma JS's every 14 months. On price, ads, in-app purchases and monetization model 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. Enigma JS sells 1 one-off in-app purchase and JavaScript Champ sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Enigma JS ships an update every 14 months, JavaScript Champ fortnightly. The most recent releases landed on September 8, 2026 and June 11, 2026 respectively.

Scorecard1 real difference · 9 level
Enigma JS versus JavaScript Champ: the parameters behind the verdict, then further details
ParameterEnigma JSJavaScript Champ
PriceFreeFree
Rating5.0 (2 ratings) — better
Positive reviews28.6% of reviews
Number of ratings2 — better
Update frequencyEvery 14 monthsFortnightly — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.115.0 — better
Further details — not scored
Size59 MB16 MB
Age rating4+4+
DeveloperYesno LabsYoan Enchev

Customer experience

Enigma JS

Written reviews7 reviews
Positive28.6%
Neutral28.6%
Negative42.9%

JavaScript Champ

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

Enigma JS

One-time1
  • Remove ads and unlock content$9.99
1 purchases

JavaScript Champ

One-time1
  • JavaScript Champ Premium$12.99

Questions

Is Enigma JS free?
Enigma JS is free to download, with in-app purchases available.
Is JavaScript Champ free?
JavaScript Champ is free to download, with in-app purchases available.
Do Enigma JS or JavaScript Champ have ads?
Both Enigma JS and JavaScript Champ show ads.
Which is updated more often, Enigma JS or JavaScript Champ?
Enigma JS ships an update every 14 months, and JavaScript Champ fortnightly. Most recently, Enigma JS was updated on September 8, 2026 and JavaScript Champ on June 11, 2026.

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