# JavaScript Studio Pro vs Trade Calculator

The clearest difference is price: Trade Calculator at Free against JavaScript Studio Pro's $12.99. JavaScript Studio Pro's advantage is iOS requirement (10.0 vs 18.0). On rating, ratings volume, ads and in-app purchases there is nothing between them.

Trade Calculator is free to download; JavaScript Studio Pro costs $12.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for JavaScript Studio Pro against 5.0 for Trade Calculator. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

## The numbers

| Metric | JavaScript Studio Pro | Trade Calculator |
| --- | --- | --- |
| Price | $12.99 | **Free** |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/javascript-studio-pro/id1533537039/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/trade-calculator-sheet-metal/id6758922258/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 20 months | — |
| Monetization | Paid | **Free** |
| Size | 33 MB | 13 MB |
| Requires iOS | **10.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Arrowat LLC](https://appshunter.io/developer/1358562640) | [Matthew Lutterloh](https://appshunter.io/developer/1875780465) |

## What reviewers say

### JavaScript Studio Pro

[App page](https://appshunter.io/ios/app/javascript-studio-pro/id1533537039)

Develop web applications on your mobile device using JavaScript, CSS, and HTML. This tool offers error checking assistance as you code, ensuring you don't lose track of your ideas. Create and save your projects anywhere, anytime.

**Highlights:** Write JavaScript, CSS, HTML code, Create web applications, Error checking assistance, Save code and ideas, Mobile development environment

**Features:** macOS Compatibility

**In-app purchases:** none


### Trade Calculator

[App page](https://appshunter.io/ios/app/trade-calculator-sheet-metal/id6758922258)

This tool simplifies complex calculations for construction and HVAC professionals. It handles feet-inches-fractions arithmetic, trigonometric functions, and specialized trade calculations like rafters and duct sizing. Works offline without ads or subscriptions.

**Highlights:** Feet-inches-fractions arithmetic, Adjustable fraction precision, Scientific and trigonometric functions, Construction trade calculations, HVAC duct sizing (Imperial/SI), Offline functionality

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is JavaScript Studio Pro free?

JavaScript Studio Pro costs $12.99, with no in-app purchases.

### Is Trade Calculator free?

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

### Which has better reviews, JavaScript Studio Pro or Trade Calculator?

JavaScript Studio Pro and Trade Calculator are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do JavaScript Studio Pro or Trade Calculator have ads?

Neither JavaScript Studio Pro nor Trade Calculator shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*