# Enigma JS vs DevGuide

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.

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

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.

## The numbers

| Metric | Enigma JS | DevGuide |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 14 months | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 59 MB | 9 MB |
| Requires iOS | **15.1** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yesno Labs](https://appshunter.io/developer/1704491583) | [Ramasamy M](https://appshunter.io/developer/1501956709) |

## 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 |


### DevGuide

[App page](https://appshunter.io/ios/app/devguide/id6755854668)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


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