# Enigma JS vs 学智云PAD端

The clearest difference is in-app purchases: 学智云PAD端 at none against Enigma JS's 1. 学智云PAD端 also leads on iOS requirement (11.0 vs 15.1). Enigma JS's advantage is device support. On price there is nothing between them.

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

## The numbers

| Metric | Enigma JS | 学智云PAD端 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | — |
| Update frequency | Every 14 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 59 MB | 90 MB |
| Requires iOS | 15.1 | **11.0** |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Yesno Labs](https://appshunter.io/developer/1704491583) | [杭州智晗信息技术有限公司](https://appshunter.io/developer/1255811002) |

## 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, Vision Pro support

**In-app purchases (1)**

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


### 学智云PAD端

[App page](https://appshunter.io/ios/app/pad/id1616615901)

**In-app purchases:** none


## Frequently asked questions

### Is Enigma JS free?

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

### Is 学智云PAD端 free?

学智云PAD端 is free to download, with no in-app purchases.

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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.*