Comparison

JavaScript Champ vs Epstemia

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

Head to head
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.

About

Epstemia

Features
Read full description

O Algoritmo da Leveza é o portal que concentra tudo o que a Epstemia já criou e criará, com atualizações contínuas. Cada material é cuidadosamente selecionado e simplificado para que você possa aplicar conhecimentos sutis de forma prática na sua rotina. Além de um acervo profundo de conteúdos para te guiar em sua jornada de autoconhecimento, há também uma comunidade para trocas de experiências, desafios e aprendizados. Se você busca ferramentas e conhecimentos para se conhecer com sutileza e encontrar foco, equilíbrio e realização, este aplicativo é para você.

Screenshots

JavaScript Champ4 screens
Epstemia4 screens

Verdict

The call

The clearest difference is in-app purchases: Epstemia at none against JavaScript Champ's 1. Epstemia also leads on ads (none vs shown). JavaScript Champ's advantage is update cadence (fortnightly vs every 6 months). On price, 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. JavaScript Champ sells 1 one-off in-app purchase. Epstemia asks for nothing beyond the download.

UpkeepUpdate frequency

JavaScript Champ ships an update fortnightly, Epstemia every 6 months. The most recent releases landed on September 28, 2026 and September 29, 2026 respectively.

Scorecard3 real differences · 6 level
JavaScript Champ versus Epstemia: the parameters behind the verdict, then further details
ParameterJavaScript ChampEpstemia
PriceFreeFree
Rating5.0 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyFortnightly — betterEvery 6 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 — better15.1
Further details — not scored
Size16 MB46 MB
Age rating4+4+
DeveloperYoan EnchevThe Members

In-app purchases

1 purchases

JavaScript Champ

One-time1
  • JavaScript Champ Premium$12.99
None

Epstemia

No in-app purchases

Questions

Is JavaScript Champ free?
JavaScript Champ is free to download, with in-app purchases available.
Is Epstemia free?
Epstemia is free to download, with no in-app purchases.
Do JavaScript Champ or Epstemia have ads?
JavaScript Champ shows ads; Epstemia does not.
Which is updated more often, JavaScript Champ or Epstemia?
JavaScript Champ ships an update fortnightly, and Epstemia every 6 months. Most recently, JavaScript Champ was updated on September 28, 2026 and Epstemia on September 29, 2026.

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