# JavaScript Compiler vs Swiftlet

The clearest difference is update cadence: Swiftlet at every 8 days against JavaScript Compiler's every 7 months. JavaScript Compiler's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 16.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

JavaScript Compiler ships an update every 7 months, Swiftlet every 8 days. The most recent releases landed on October 12, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | JavaScript Compiler | Swiftlet |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 8 days** |
| Monetization | Free | — |
| Size | 65 MB | 40 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Hrishi Suthar](https://appshunter.io/developer/1660005858) | [Tame Bickel](https://appshunter.io/developer/6809779184) |

## What reviewers say

### 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


### Swiftlet

[App page](https://appshunter.io/ios/app/swiftlet-learn-to-code/id6809779182)

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

**In-app purchases:** none


## Frequently asked questions

### Is JavaScript Compiler free?

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

### Is Swiftlet free?

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

### Do JavaScript Compiler or Swiftlet have ads?

Neither JavaScript Compiler nor Swiftlet shows ads.

### Which is updated more often, JavaScript Compiler or Swiftlet?

JavaScript Compiler ships an update every 7 months, and Swiftlet every 8 days. Most recently, JavaScript Compiler was updated on October 12, 2026 and Swiftlet on October 4, 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.*