# Learn JavaScript | Learn JS vs CS++ HCI Design

The clearest difference is in-app purchases: Learn JavaScript | Learn JS at none against CS++ HCI Design's 1. Learn JavaScript | Learn JS also leads on update cadence (weekly vs every 3 weeks) and iOS requirement (12.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. CS++ HCI Design sells 1 one-off in-app purchase. Learn JavaScript | Learn JS asks for nothing beyond the download.

Learn JavaScript | Learn JS ships an update weekly, CS++ HCI Design every 3 weeks. The most recent releases landed on September 19, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Learn JavaScript | Learn JS | CS++ HCI Design |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 weeks |
| Monetization | Free | — |
| Size | 56 MB | 44 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ajit Jain](https://appshunter.io/developer/1737346341) | [Kevin Hare](https://appshunter.io/developer/1343264116) |

## What reviewers say

### Learn JavaScript | Learn JS

[App page](https://appshunter.io/ios/app/learn-javascript-learn-js/id6738418403)

Master JavaScript with comprehensive tutorials, an interactive code editor, and practical examples. Learn fundamentals to advanced concepts, track your progress, and practice coding offline. Ideal for beginners and professionals looking to enhance web development skills.

**Highlights:** Comprehensive JavaScript tutorials, Interactive code editor, Quizzes and coding challenges, Real-world practical examples, Offline access to materials, Learning progress tracker, Dark mode and customization

**Features:** macOS Compatibility

**In-app purchases:** none


### CS++ HCI Design

[App page](https://appshunter.io/ios/app/cs-plus-plus-hci-design/id6794191854)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Full HCI Design | $9.99 | one-time |


## Frequently asked questions

### Is Learn JavaScript | Learn JS free?

Learn JavaScript | Learn JS is free to download, with no in-app purchases.

### Is CS++ HCI Design free?

CS++ HCI Design is free to download, with in-app purchases available.

### Do Learn JavaScript | Learn JS or CS++ HCI Design have ads?

Neither Learn JavaScript | Learn JS nor CS++ HCI Design shows ads.

### Which is updated more often, Learn JavaScript | Learn JS or CS++ HCI Design?

Learn JavaScript | Learn JS ships an update weekly, and CS++ HCI Design every 3 weeks. Most recently, Learn JavaScript | Learn JS was updated on September 19, 2026 and CS++ HCI Design on September 27, 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.*