# Wilo vs Steam Worx

The clearest difference is update cadence: Wilo at every 3 weeks against Steam Worx's every 2 months. Steam Worx's advantage is iOS requirement (15.0 vs 18.6). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Wilo ships an update every 3 weeks, Steam Worx every 2 months. The most recent releases landed on October 22, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Wilo | Steam Worx |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/steam-worx/id6467222774/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 66.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 181 MB | 18 MB |
| Requires iOS | 18.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [WILO SE](https://appshunter.io/developer/756670903) | [Watson McDaniel Company](https://appshunter.io/developer/1708408873) |

## What reviewers say

### Wilo

[App page](https://appshunter.io/ios/app/wilo-assistant/id397747214)

This app provides comprehensive support for planning, consulting, and installing pump technology. It offers tools for selecting replacement pumps, calculating energy savings, and diagnosing faults, even offline. Access detailed product information and control smart pumps.

**Highlights:** Smart pump control and settings, Interactive replacement pump recommendations, Energy savings and CO2 emission calculator, Pump dimensioning and selection, Fault signal diagnosis and remedies, Unit conversion tool, AR product scanner

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Wilo free?

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

### Is Steam Worx free?

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

### Do Wilo or Steam Worx have ads?

Neither Wilo nor Steam Worx shows ads.

### Which is updated more often, Wilo or Steam Worx?

Wilo ships an update every 3 weeks, and Steam Worx every 2 months. Most recently, Wilo was updated on October 22, 2026 and Steam Worx on September 30, 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.*