# Kadmia vs JavaScript Champ

The clearest difference is in-app purchases: Kadmia at none against JavaScript Champ's 1. Kadmia also leads on ads (none vs shown). JavaScript Champ's advantage is update cadence (fortnightly vs every 6 months) and ratings volume (3 vs 1). On price, rating, device support and iOS requirement there is nothing between them.

Both are free to download. JavaScript Champ sells 1 one-off in-app purchase. Kadmia asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Kadmia against 5.0 for JavaScript Champ. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

Kadmia ships an update every 6 months, JavaScript Champ fortnightly. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Kadmia | JavaScript Champ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/kadmia/id6468431732/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/javascript-champ/id6473677887/reviews) |
| Number of ratings | 1 | **3** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Fortnightly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 31 MB | 16 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kadmia LLC](https://appshunter.io/developer/1693141442) | [Yoan Enchev](https://appshunter.io/developer/1717245436) |

## What reviewers say

### Kadmia

[App page](https://appshunter.io/ios/app/kadmia/id6468431732)

Learn JavaScript through interactive challenges and games, focusing on fundamental programming principles rather than passive tutorials. Build your coding intuition step-by-step with engaging puzzles and immediate feedback.

**Highlights:** Interactive coding challenges, Gamified learning approach, Focus on programming fundamentals, Active learning methods, Daily progress tracking, Debugging practice game

**Features:** macOS Compatibility

**In-app purchases:** none


### JavaScript Champ

[App page](https://appshunter.io/ios/app/javascript-champ/id6473677887)

Learn JavaScript programming through interactive exercises and tutorials covering basics to advanced topics. Prepare for interviews and build practical programs. Gamified elements help you climb ranks and become a job-ready developer.

**Highlights:** Interactive JavaScript exercises, Beginner to advanced tutorials, Interview preparation questions, Offline access, Gamified progress tracking, Practical programming challenges

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| JavaScript Champ Premium | $12.99 | one-time |


## Frequently asked questions

### Is Kadmia free?

Kadmia is free to download, with no in-app purchases.

### Is JavaScript Champ free?

JavaScript Champ is free to download, with in-app purchases available.

### Which has better reviews, Kadmia or JavaScript Champ?

Kadmia and JavaScript Champ are both rated 5.0 out of 5 on the App Store, from 1 and 3 ratings respectively.

### Do Kadmia or JavaScript Champ have ads?

JavaScript Champ shows ads; Kadmia does not.

### Which is updated more often, Kadmia or JavaScript Champ?

Kadmia ships an update every 6 months, and JavaScript Champ fortnightly. Most recently, Kadmia was updated on October 27, 2026 and JavaScript Champ on October 24, 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.*