# JavaScript Champ vs Innovation Science

The clearest difference is ads: Innovation Science at none against JavaScript Champ's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. JavaScript Champ sells 1 one-off in-app purchase and Innovation Science sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

JavaScript Champ ships an update fortnightly, Innovation Science every 3 weeks. The most recent releases landed on September 28, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | JavaScript Champ | Innovation Science |
| --- | --- | --- |
| 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 | Yes |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 16 MB | 144 MB |
| Requires iOS | **15.0** | 15.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yoan Enchev](https://appshunter.io/developer/1717245436) | [Online Learning](https://appshunter.io/developer/1790866777) |

## 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 |


### Innovation Science

[App page](https://appshunter.io/ios/app/innovation-science/id6498919937)

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Package - AU | $34.99 | one-time |
| Package - BD | $39.99 | one-time |
| Package - BA | $39.99 | one-time |
| Package - BC | $39.99 | one-time |
| Package - AZ | $39.99 | one-time |
| Package - AY | $39.99 | one-time |
| Package - BB | $39.99 | one-time |
| Package - BG | $49.99 | one-time |
| Package - BF | $49.99 | one-time |
| Package - BH | $49.99 | one-time |


## Frequently asked questions

### Is JavaScript Champ free?

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

### Is Innovation Science free?

Innovation Science is free to download, with in-app purchases available.

### Do JavaScript Champ or Innovation Science have ads?

JavaScript Champ shows ads; Innovation Science does not.

### Which is updated more often, JavaScript Champ or Innovation Science?

JavaScript Champ ships an update fortnightly, and Innovation Science every 3 weeks. Most recently, JavaScript Champ was updated on September 28, 2026 and Innovation Science 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.*