Comparison

Enigma JS vs Java Interview Questions

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

Java Interview Questions

Prepare for Java developer interviews with a collection of essential questions. This app offers a valuable resource to test your knowledge before your next job interview.

Highlights
  • Core Java interview questions
  • Preparation for developer interviews
  • Practice questions
  • Essential knowledge testing
Features
Read full description

This application will give you main interview questions for Java. Before going to Java developer interviews it worth to try this application.

Screenshots

Enigma JS4 screens
Java Interview Questions3 screens

Verdict

The call

The clearest difference is in-app purchases: Java Interview Questions at none against Enigma JS's 1. Java Interview Questions also leads on ads (none vs shown) and iOS requirement (10.0 vs 15.1). On price, update cadence 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. Java Interview Questions asks for nothing beyond the download.

UpkeepUpdate frequency

Enigma JS ships an update every 14 months, Java Interview Questions every 8 months. The most recent releases landed on September 24, 2026 and September 30, 2026 respectively.

Scorecard4 real differences · 6 level
Enigma JS versus Java Interview Questions: the parameters behind the verdict, then further details
ParameterEnigma JSJava Interview Questions
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews28.6% of reviews—
Number of ratings—1 — better
Update frequencyEvery 14 monthsEvery 8 months — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.110.0 — better
Further details — not scored
Size59 MB20 MB
Age rating4+4+
DeveloperYesno LabsElshad Karimov

Customer experience

Enigma JS

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

Java Interview Questions

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

In-app purchases

1 purchases

Enigma JS

One-time1
  • Remove ads and unlock content$9.99
None

Java Interview Questions

No in-app purchases

Questions

Is Enigma JS free?
Enigma JS is free to download, with in-app purchases available.
Is Java Interview Questions free?
Java Interview Questions is free to download, with no in-app purchases.
Do Enigma JS or Java Interview Questions have ads?
Enigma JS shows ads; Java Interview Questions does not.
Which is updated more often, Enigma JS or Java Interview Questions?
Enigma JS ships an update every 14 months, and Java Interview Questions every 8 months. Most recently, Enigma JS was updated on September 24, 2026 and Java Interview Questions on September 30, 2026.

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