Comparison

Enigma JS vs DevGuide

Price, ratings, monetisation and update history for both apps, side by side β€” 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

DevGuide

Features
Read full description

DevGuide – Interview Preparation for Developers Prepare confidently for software engineering interviews with DevGuide, a structured learning app built for developers at all levels. DevGuide provides concise, interview-focused questions and answers across modern programming languages and frameworks β€” optimized for quick revision and deep understanding. What You’ll Learn Swift & SwiftUI – Optionals, closures, concurrency, protocols Java – Collections, Streams, JVM, concurrency Android – Kotlin, Java, Jetpack, architecture SQL – Joins, indexes, transactions, performance Python – OOP, async, data structures React & React Native – Hooks, state, performance Flutter – Widgets, state management Angular, Vue, Svelte, Node.js, Go, C#, PHP & more Key Features 1000+ curated interview questions Short, clear answers for fast revision Search & smart category filters Mark favorites for quick access Designed for iPhone & iPad Real-world interview concepts Why DevGuide? No long tutorials β€” only what interviewers ask Structured by topics & categories Perfect for last-minute prep or daily practice Clean, distraction-free UI Whether you’re preparing for your first interview or aiming for your next big role, DevGuide helps you revise smarter and faster. Built by developers, for developers.

Screenshots

Enigma JS4 screens
DevGuide4 screens

Verdict

The call

The clearest difference is in-app purchases: DevGuide at none against Enigma JS's 1. DevGuide also leads on ads (none vs shown) and update cadence (every 3 days vs every 14 months). Enigma JS's advantage is iOS requirement (15.1 vs 18.2). On price and device support there is nothing between them.

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

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

UpkeepUpdate frequency

Enigma JS ships an update every 14 months, DevGuide every 3 days. The most recent releases landed on October 15, 2026 and October 25, 2026 respectively.

Scorecard4 real differences Β· 4 level
Enigma JS versus DevGuide: the parameters behind the verdict, then further details
ParameterEnigma JSDevGuide
PriceFreeFree
Positive reviews25.0% of reviewsβ€”
Update frequencyEvery 14 monthsEvery 3 days β€” better
AdsYesNo β€” better
In-app purchasesYesNo β€” better
MonetizationFree with in-app purchasesβ€”
DevicesiPhone, iPad, iPod β€” betteriPhone, iPad
Requires iOS15.1 β€” better18.2
Further details β€” not scored
Size59 MB9 MB
Age rating4+4+
DeveloperYesno LabsRamasamy M

In-app purchases

1 purchases

Enigma JS

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

DevGuide

No in-app purchases

Questions

Is Enigma JS free?
Enigma JS is free to download, with in-app purchases available.
Is DevGuide free?
DevGuide is free to download, with no in-app purchases.
Do Enigma JS or DevGuide have ads?
Enigma JS shows ads; DevGuide does not.
Which is updated more often, Enigma JS or DevGuide?
Enigma JS ships an update every 14 months, and DevGuide every 3 days. Most recently, Enigma JS was updated on October 15, 2026 and DevGuide on October 25, 2026.

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