# Steam Worx vs Coil Width Calculator

The clearest difference is update cadence: Coil Width Calculator at every 2 days against Steam Worx's every 2 months. Steam Worx's advantage is iOS requirement (15.0 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Steam Worx ships an update every 2 months, Coil Width Calculator every 2 days. The most recent releases landed on September 30, 2026 and September 6, 2026 respectively.

## The numbers

| Metric | Steam Worx | Coil Width Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/steam-worx/id6467222774/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | Free | — |
| Size | 18 MB | 10 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Watson McDaniel Company](https://appshunter.io/developer/1708408873) | [Rishabh Padia](https://appshunter.io/developer/1832510311) |

## What reviewers say

### Steam Worx

[App page](https://appshunter.io/ios/app/steam-worx/id6467222774)

This application assists engineers and technicians with complex fluid dynamics calculations. It provides tools for sizing and selecting pressure relief valves, control valves for steam and water, and heat exchangers. The app also includes calculators for pipe sizing, noise levels, and unit conversions.

**Highlights:** Pilot-Operated PRV Sizing, Control Valve Sizing (Steam & Water), Heat Exchanger Sizing, Pipe Sizing & Velocities, Noise Level & Cavitation Calculations, Unit Conversions

**Features:** macOS Compatibility

**In-app purchases:** none


### Coil Width Calculator

[App page](https://appshunter.io/ios/app/coil-width-calculator/id6749900909)

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

**In-app purchases:** none


## Frequently asked questions

### Is Steam Worx free?

Steam Worx is free to download, with no in-app purchases.

### Is Coil Width Calculator free?

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

### Do Steam Worx or Coil Width Calculator have ads?

Neither Steam Worx nor Coil Width Calculator shows ads.

### Which is updated more often, Steam Worx or Coil Width Calculator?

Steam Worx ships an update every 2 months, and Coil Width Calculator every 2 days. Most recently, Steam Worx was updated on September 30, 2026 and Coil Width Calculator on September 6, 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.*