# Enigma JS vs Learning HTML DLA

The clearest difference is update cadence: Learning HTML DLA at every 10 days against Enigma JS's every 14 months. Learning HTML DLA also leads on iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Enigma JS sells 1 one-off in-app purchase and Learning HTML DLA sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Enigma JS ships an update every 14 months, Learning HTML DLA every 10 days. The most recent releases landed on September 8, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Enigma JS | Learning HTML DLA |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 28.6% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 14 months | **Every 10 days** |
| Monetization | Free with in-app purchases | — |
| Size | 59 MB | 121 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Yesno Labs](https://appshunter.io/developer/1704491583) | [Airton Siqueira de Freitas](https://appshunter.io/developer/1809776051) |

## 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 |


### Learning HTML DLA

[App page](https://appshunter.io/ios/app/learning-html-dla/id6751805906)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Certificado de conclusão | $2.99 | one-time |
| Full access with discount | $3.99 | one-time |
| Acesso as aulas | $4.99 | one-time |
| FULL PASS ALL APPS | $17.99 | one-time |


## Frequently asked questions

### Is Enigma JS free?

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

### Is Learning HTML DLA free?

Learning HTML DLA is free to download, with in-app purchases available.

### Do Enigma JS or Learning HTML DLA have ads?

Both Enigma JS and Learning HTML DLA show ads.

### Which is updated more often, Enigma JS or Learning HTML DLA?

Enigma JS ships an update every 14 months, and Learning HTML DLA every 10 days. Most recently, Enigma JS was updated on September 8, 2026 and Learning HTML DLA on September 16, 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.*
