# The Base Converter vs JavaScript Compiler(Pro)

The clearest difference is price: The Base Converter at Free against JavaScript Compiler(Pro)'s $2.99. The Base Converter also leads on update cadence (fortnightly vs every 7 months). JavaScript Compiler(Pro)'s advantage is iOS requirement (13.0 vs 15.6). On ads, in-app purchases and device support there is nothing between them.

The Base Converter is free to download; JavaScript Compiler(Pro) costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

The Base Converter ships an update fortnightly, JavaScript Compiler(Pro) every 7 months. The most recent releases landed on October 1, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | The Base Converter | JavaScript Compiler(Pro) |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 7 months |
| Size | 1 MB | 62 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Alexander Lee](https://appshunter.io/developer/1795808485) | [Hrishi Suthar](https://appshunter.io/developer/1660005858) |

## What reviewers say

### The Base Converter

[App page](https://appshunter.io/ios/app/the-base-converter/id6743086704)

**Features:** macOS Compatibility

**In-app purchases:** none


### JavaScript Compiler(Pro)

[App page](https://appshunter.io/ios/app/javascript-compilerpro/id6747161212)

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

**In-app purchases:** none


## Frequently asked questions

### Is The Base Converter free?

The Base Converter is free to download, with no in-app purchases.

### Is JavaScript Compiler(Pro) free?

JavaScript Compiler(Pro) costs $2.99, with no in-app purchases.

### Do The Base Converter or JavaScript Compiler(Pro) have ads?

Neither The Base Converter nor JavaScript Compiler(Pro) shows ads.

### Which is updated more often, The Base Converter or JavaScript Compiler(Pro)?

The Base Converter ships an update fortnightly, and JavaScript Compiler(Pro) every 7 months. Most recently, The Base Converter was updated on October 1, 2026 and JavaScript Compiler(Pro) on October 5, 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.*