# Pipe Working Pressure Calc vs JavaScript Studio Pro

The clearest difference is price: Pipe Working Pressure Calc at $2.99 against JavaScript Studio Pro's $12.99. JavaScript Studio Pro's advantage is rating (5.0 vs 4.0) and iOS requirement (10.0 vs 13). On ratings volume, update cadence, ads and in-app purchases there is nothing between them.

Pipe Working Pressure Calc costs $2.99 and JavaScript Studio Pro $12.99 up front. Neither carries in-app purchases, so what you see is what you pay.

JavaScript Studio Pro holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Pipe Working Pressure Calc ships an update every 28 months, JavaScript Studio Pro every 20 months. The most recent releases landed on October 1, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Pipe Working Pressure Calc | JavaScript Studio Pro |
| --- | --- | --- |
| Price | **$2.99** | $12.99 |
| Rating | [4.0 (2 ratings)](https://appshunter.io/ios/app/pipe-working-pressure-calc/id1447338544/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/javascript-studio-pro/id1533537039/reviews)** |
| Number of ratings | **2** | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 28 months | **Every 20 months** |
| Monetization | Paid | Paid |
| Size | 1 MB | 33 MB |
| Requires iOS | 13 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nitrio](https://appshunter.io/developer/321121189) | [Arrowat LLC](https://appshunter.io/developer/1358562640) |

## What reviewers say

### Pipe Working Pressure Calc

[App page](https://appshunter.io/ios/app/pipe-working-pressure-calc/id1447338544)

Calculate fluid pressure, pipe wall thickness, outside diameter, safety factor, or material strength. This physics/math tool provides instant results with support for multiple units and high precision.

**Highlights:** Instant calculations, Copy results to other apps, Formulas included, Supports 16 decimal places, Supports various units, Works on iPhone and iPad, Ad-free and private

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Pipe Working Pressure Calc free?

Pipe Working Pressure Calc costs $2.99, with no in-app purchases.

### Is JavaScript Studio Pro free?

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

### Which has better reviews, Pipe Working Pressure Calc or JavaScript Studio Pro?

JavaScript Studio Pro is rated higher. Pipe Working Pressure Calc averages 4.0 out of 5 from 2 ratings, while JavaScript Studio Pro averages 5.0 from 1 ratings.

### Do Pipe Working Pressure Calc or JavaScript Studio Pro have ads?

Neither Pipe Working Pressure Calc nor JavaScript Studio Pro shows ads.

### Which is updated more often, Pipe Working Pressure Calc or JavaScript Studio Pro?

Pipe Working Pressure Calc ships an update every 28 months, and JavaScript Studio Pro every 20 months. Most recently, Pipe Working Pressure Calc was updated on October 1, 2026 and JavaScript Studio Pro on September 29, 2026.

---

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