# JavaScript Champ vs Epstemia

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

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

JavaScript Champ ships an update fortnightly, Epstemia every 6 months. The most recent releases landed on September 28, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | JavaScript Champ | Epstemia |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/javascript-champ/id6473677887/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 6 months |
| Monetization | Free with in-app purchases | — |
| Size | 16 MB | 46 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yoan Enchev](https://appshunter.io/developer/1717245436) | [The Members](https://appshunter.io/developer/1653824858) |

## What reviewers say

### 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 |


### Epstemia

[App page](https://appshunter.io/ios/app/epstemia/id6740281100)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is JavaScript Champ free?

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

### Is Epstemia free?

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

### Do JavaScript Champ or Epstemia have ads?

JavaScript Champ shows ads; Epstemia does not.

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

JavaScript Champ ships an update fortnightly, and Epstemia every 6 months. Most recently, JavaScript Champ was updated on September 28, 2026 and Epstemia on September 29, 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.*