# JavaScript Studio Pro vs Acceleration Calculator Plus

The clearest difference is price: Acceleration Calculator Plus at $2.99 against JavaScript Studio Pro's $12.99. JavaScript Studio Pro's advantage is iOS requirement (10.0 vs 17.6). On update cadence, ads, in-app purchases and device support there is nothing between them.

JavaScript Studio Pro costs $12.99 and Acceleration Calculator Plus $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 20 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | JavaScript Studio Pro | Acceleration Calculator Plus |
| --- | --- | --- |
| Price | $12.99 | **$2.99** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/javascript-studio-pro/id1533537039/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 20 months | Every 20 months |
| Monetization | Paid | — |
| Size | 33 MB | 1 MB |
| Requires iOS | **10.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Arrowat LLC](https://appshunter.io/developer/1358562640) | [Nitrio](https://appshunter.io/developer/321121189) |

## 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


### Acceleration Calculator Plus

[App page](https://appshunter.io/ios/app/acceleration-calculator-plus/id1658922875)

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

**In-app purchases:** none


## Frequently asked questions

### Is JavaScript Studio Pro free?

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

### Is Acceleration Calculator Plus free?

Acceleration Calculator Plus costs $2.99, with no in-app purchases.

### Do JavaScript Studio Pro or Acceleration Calculator Plus have ads?

Neither JavaScript Studio Pro nor Acceleration Calculator Plus shows ads.

### Which is updated more often, JavaScript Studio Pro or Acceleration Calculator Plus?

JavaScript Studio Pro ships an update every 20 months, and Acceleration Calculator Plus every 20 months. Most recently, JavaScript Studio Pro was updated on November 3, 2026 and Acceleration Calculator Plus on November 3, 2026.

---

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