Comparison

Enigma JS vs Ghai Chemistry Classes

Price, ratings, monetisation and update history for both apps, side by side โ€” 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, youโ€™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

Ghai Chemistry Classes

Read full description

From video lectures, epdf (Notes & Question bank), mock tests for IIT JEE & NEET exam preparation to query resolution, this application offers the same experience as the brick and mortar classrooms. Preparation for some of the countryโ€™s toughest exams comes handy with this application. From IIT/JEE preparation to NEET preparation, most competitive exams can be cracked using this application.

Screenshots

Enigma JS4 screens
Ghai Chemistry Classes4 screens

Verdict

The call

The clearest difference is in-app purchases: Ghai Chemistry Classes at none against Enigma JS's 1. Ghai Chemistry Classes also leads on ads (none vs shown) and iOS requirement (12.0 vs 15.1). On price, update cadence and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Enigma JS sells 1 one-off in-app purchase. Ghai Chemistry Classes asks for nothing beyond the download.

UpkeepUpdate frequency

Enigma JS ships an update every 14 months, Ghai Chemistry Classes every 11 months. The most recent releases landed on November 4, 2026 and October 25, 2026 respectively.

Scorecard3 real differences ยท 5 level
Enigma JS versus Ghai Chemistry Classes: the parameters behind the verdict, then further details
ParameterEnigma JSGhai Chemistry Classes
PriceFreeFree
Positive reviews25.0% of reviewsโ€”
Update frequencyEvery 14 monthsEvery 11 months โ€” better
AdsYesNo โ€” better
In-app purchasesYesNo โ€” better
MonetizationFree with in-app purchasesโ€”
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.112.0 โ€” better
Further details โ€” not scored
Size59 MB89 MB
Age rating4+4+
DeveloperYesno LabsGinger Webs Pvt. Ltd.

In-app purchases

1 purchases

Enigma JS

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

Ghai Chemistry Classes

No in-app purchases

Questions

Is Enigma JS free?
Enigma JS is free to download, with in-app purchases available.
Is Ghai Chemistry Classes free?
Ghai Chemistry Classes is free to download, with no in-app purchases.
Do Enigma JS or Ghai Chemistry Classes have ads?
Enigma JS shows ads; Ghai Chemistry Classes does not.
Which is updated more often, Enigma JS or Ghai Chemistry Classes?
Enigma JS ships an update every 14 months, and Ghai Chemistry Classes every 11 months. Most recently, Enigma JS was updated on November 4, 2026 and Ghai Chemistry Classes on October 25, 2026.

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