# Gear Design vs Learn JavaScript | Learn JS

The clearest difference is review sentiment: Learn JavaScript | Learn JS at 100% against Gear Design's 0%. Learn JavaScript | Learn JS also leads on price (Free vs $2.99) and update cadence (weekly vs every 12 months). Gear Design's advantage is iOS requirement (9.3 vs 12.0). On ads and in-app purchases there is nothing between them.

Learn JavaScript | Learn JS is free to download; Gear Design costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Gear Design ships an update every 12 months, Learn JavaScript | Learn JS weekly. The most recent releases landed on September 22, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Gear Design | Learn JavaScript | Learn JS |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[1.5 (2 ratings)](https://appshunter.io/ios/app/gear-design/id1136191442/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Weekly** |
| Monetization | Paid | **Free** |
| Size | 38 MB | 56 MB |
| Requires iOS | **9.3** | 12.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [DRH YAZILIM VE MUHENDISLIK HIZMETLERI LTD STI](https://appshunter.io/developer/914295588) | [Ajit Jain](https://appshunter.io/developer/1737346341) |

## What reviewers say

### Gear Design

[App page](https://appshunter.io/ios/app/gear-design/id1136191442)

Design involute gears with a CAD interface, allowing visual assessment through touch gestures. Generate and export STL data for 3D printing and perform tooth bending strength analysis with PDF sharing.

**Highlights:** Involute gear design, CAD interface, Touch gesture controls (zoom, rotate), STL data generation, Email export, Tooth bending strength analysis, PDF sharing

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Gear Design free?

Gear Design costs $2.99, with no in-app purchases.

### Is Learn JavaScript | Learn JS free?

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

### Do Gear Design or Learn JavaScript | Learn JS have ads?

Neither Gear Design nor Learn JavaScript | Learn JS shows ads.

### Which is updated more often, Gear Design or Learn JavaScript | Learn JS?

Gear Design ships an update every 12 months, and Learn JavaScript | Learn JS weekly. Most recently, Gear Design was updated on September 22, 2026 and Learn JavaScript | Learn JS on October 6, 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.*