Enigma JS vs React Quiz
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Common JavaScript interview questions
- React and React Native concepts
- Detailed explanations for each question
- Quizzes for beginners and experienced developers
- Practice tricky language parts
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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.
React Quiz
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■ Learn React in just 5 minutes a day - like playing a game! ■ AI suggests optimal questions based on your learning progress! ■ Ask the AI Teacher when you don't understand something! React Quiz is an app that lets you learn React quickly on your smartphone. Even during short breaks or commuting, you can solve a few questions in just 5 minutes and gain programming knowledge. The AI suggests questions for you, so you can start learning immediately when you open the app. We offer questions for all levels, from beginners to advanced users. From basic knowledge questions to tricky ones that will make you think - challenge yourself with various questions! If there's something you don't understand, ask the AI Teacher! With React Quiz, you can chat with the AI Teacher completely free. By asking questions, you'll deepen your learning and master React. Start with just 5 minutes a day and gradually build your programming skills! You'll definitely discover knowledge you never knew before!
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Verdict
The clearest difference is update cadence: React Quiz at monthly against Enigma JS's every 14 months. On price, ads, 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
Both are free to download. Enigma JS sells 1 one-off in-app purchase and React Quiz sells 3 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.
Enigma JS ships an update every 14 months, React Quiz monthly. The most recent releases landed on October 15, 2026 and October 9, 2026 respectively.
| Parameter | Enigma JS | React Quiz |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 25.0% of reviews | — |
| Update frequency | Every 14 months | Monthly — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 15.1 |
| Further details — not scored | ||
| Size | 59 MB | 83 MB |
| Age rating | 4+ | 4+ |
| Developer | Yesno Labs | Creatopia Inc. |
In-app purchases
Enigma JS
- Remove ads and unlock content$9.99
React Quiz
- Premium Weekly3 Days trial$0.997 Days
- Monthly Premium3 Days trial$2.991 Month
- Yearly Premium3 Days trial$24.991 Year
Questions
Is Enigma JS free?
Is React Quiz free?
Do Enigma JS or React Quiz have ads?
Which is updated more often, Enigma JS or React Quiz?
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