# Sim vs JavaScript Compiler(Pro)

The clearest difference is price: JavaScript Compiler(Pro) at $2.99 against Sim's $12.99. Sim's advantage is iOS requirement (8.0 vs 13.0). On ads, in-app purchases and device support there is nothing between them.

Sim costs $12.99 and JavaScript Compiler(Pro) $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Sim | JavaScript Compiler(Pro) |
| --- | --- | --- |
| Price | $12.99 | **$2.99** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 7 months |
| Size | 65 MB | 62 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Anand Software and Training Pvt Lyd](https://appshunter.io/developer/1189885869) | [Hrishi Suthar](https://appshunter.io/developer/1660005858) |

## What reviewers say

### Sim

[App page](https://appshunter.io/ios/app/sim-ex-examsim-ccst-networking/id6474429060)

**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 Sim free?

Sim costs $12.99, with no in-app purchases.

### Is JavaScript Compiler(Pro) free?

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

### Do Sim or JavaScript Compiler(Pro) have ads?

Neither Sim nor JavaScript Compiler(Pro) shows ads.

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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.*