# Enigma JS vs React Native Review

The clearest difference is in-app purchases: React Native Review at none against Enigma JS's 1. React Native Review also leads on ads (none vs shown) and iOS requirement (10.0 vs 15.1). On price and device support there is nothing between them.

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

## The numbers

| Metric | Enigma JS | React Native Review |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/react-native-review/id1533563773/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | 28.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 14 months | — |
| Monetization | Free with in-app purchases | **Free** |
| Size | 59 MB | 14 MB |
| Requires iOS | 15.1 | **10.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yesno Labs](https://appshunter.io/developer/1704491583) | [IMISSHTML LLC](https://appshunter.io/developer/426884012) |

## What reviewers say

### Enigma JS

[App page](https://appshunter.io/ios/app/enigma-js-interview-questions/id1308401829)

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:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads and unlock content | $9.99 | one-time |


### React Native Review

[App page](https://appshunter.io/ios/app/react-native-review/id1533563773)

This app helps junior and mid-level developers test their knowledge of React Native and JavaScript fundamentals. It's designed to prepare them for industry roles. The app is in its initial release with plans for future content expansion.

**Highlights:** React Native knowledge testing, JavaScript fundamentals review, Preparation for industry roles, Content expansion planned, Initial release

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Enigma JS free?

Enigma JS is free to download, with in-app purchases available.

### Is React Native Review free?

React Native Review is free to download, with no in-app purchases.

### Do Enigma JS or React Native Review have ads?

Enigma JS shows ads; React Native Review does not.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*