# Learn Polymer.js Offline vs JavaScript Compiler

The clearest difference is price: JavaScript Compiler at Free against Learn Polymer.js Offline's $1.99. JavaScript Compiler also leads on update cadence (every 7 months vs every 21 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

JavaScript Compiler is free to download; Learn Polymer.js Offline costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Learn Polymer.js Offline ships an update every 21 months, JavaScript Compiler every 7 months. The most recent releases landed on November 11, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Learn Polymer.js Offline | JavaScript Compiler |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 21 months | **Every 7 months** |
| Monetization | — | Free |
| Size | 38 MB | 65 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Muhammad Mubeen](https://appshunter.io/developer/1553722821) | [Hrishi Suthar](https://appshunter.io/developer/1660005858) |

## What reviewers say

### Learn Polymer.js Offline

[App page](https://appshunter.io/ios/app/learn-polymerjs-offline/id6466240900)

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

**In-app purchases:** none


### JavaScript Compiler

[App page](https://appshunter.io/ios/app/javascript-compiler/id6747160298)

This app offers a comprehensive coding environment for JavaScript development. It features syntax highlighting, efficient code layout, and tools for easy code management and scanning. Stay updated with tutorials and news to enhance your programming skills.

**Highlights:** Syntax highlighting, Fast code layout with symbols, Customizable tools layout (copy, paste, undo), Effortless cursor navigation, Scan code from camera, Integrated tutorials and news, Bookmarks and project management

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

**In-app purchases:** none


## Frequently asked questions

### Is Learn Polymer.js Offline free?

Learn Polymer.js Offline costs $1.99, with no in-app purchases.

### Is JavaScript Compiler free?

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

### Do Learn Polymer.js Offline or JavaScript Compiler have ads?

Neither Learn Polymer.js Offline nor JavaScript Compiler shows ads.

### Which is updated more often, Learn Polymer.js Offline or JavaScript Compiler?

Learn Polymer.js Offline ships an update every 21 months, and JavaScript Compiler every 7 months. Most recently, Learn Polymer.js Offline was updated on November 11, 2026 and JavaScript Compiler on October 30, 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.*