Comparison

Enigma JS vs Learning Hardware

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

Learning Hardware

Features
Read full description

Master Hardware with lessons, exercises, and practical challenges! Learning Hardware is a complete, structured course you can study on your phone. With the app, understand how computers work: CPU, memory, storage and motherboard. Whether you're starting out or leveling up, follow a clear path with focused content, guided practice, and real progress. What you'll learn • Fundamentals • Processing • Memory • Storage • Motherboard and Components • Graphics and Power • Advanced Hardware Features • Structured path from beginner to advanced • Clear lessons with practical examples • Interactive exercises with feedback • Challenges to reinforce learning • Built-in IDE to practice in the app • Progress tracking • Certificate of completion • Premium version with no ads • Learn anytime, anywhere at your own pace Featured topics: CPU, RAM, SSD/HDD, motherboard, GPU, PSU and upgrades. Learn by doing Reading alone is not enough. That's why the app combines clear explanations, real examples, and hands-on exercises so you truly apply Hardware — with a built-in IDE to test code while you study. Who is this app for? • IT and support students • PC building enthusiasts • Infrastructure beginners Start today, build a solid foundation in Hardware, and accelerate your journey as a developer. Download now and learn at your own pace.

Screenshots

Enigma JS4 screens
Learning Hardware4 screens

Verdict

The call

The clearest difference is ads: Learning Hardware at none against Enigma JS's shown. Learning Hardware also leads on update cadence (every 8 days vs every 14 months) and iOS requirement (13.0 vs 15.1). On price, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Enigma JS sells 1 one-off in-app purchase and Learning Hardware sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Enigma JS ships an update every 14 months, Learning Hardware every 8 days. The most recent releases landed on September 8, 2026 and September 16, 2026 respectively.

Scorecard3 real differences · 5 level
Enigma JS versus Learning Hardware: the parameters behind the verdict, then further details
ParameterEnigma JSLearning Hardware
PriceFreeFree
Positive reviews28.6% of reviews—
Update frequencyEvery 14 monthsEvery 8 days — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.113.0 — better
Further details — not scored
Size59 MB267 MB
Age rating4+4+
DeveloperYesno LabsAirton Siqueira de Freitas

In-app purchases

1 purchases

Enigma JS

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

Learning Hardware

One-time4
  • Full access discount$0.99
  • Full access$0.99
  • CERTIFICATE$2.99
Show 1 more
  • FULL PASS ALL APPS$17.99

Questions

Is Enigma JS free?
Enigma JS is free to download, with in-app purchases available.
Is Learning Hardware free?
Learning Hardware is free to download, with in-app purchases available.
Do Enigma JS or Learning Hardware have ads?
Enigma JS shows ads; Learning Hardware does not.
Which is updated more often, Enigma JS or Learning Hardware?
Enigma JS ships an update every 14 months, and Learning Hardware every 8 days. Most recently, Enigma JS was updated on September 8, 2026 and Learning Hardware on September 16, 2026.

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