# Phymetrix Calculator vs Hussmann Controls

The clearest difference is update cadence: Hussmann Controls at every 10 months against Phymetrix Calculator's every 52 months. 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.

Phymetrix Calculator ships an update every 52 months, Hussmann Controls every 10 months. The most recent releases landed on June 10, 2026 and July 23, 2026 respectively.

## The numbers

| Metric | Phymetrix Calculator | Hussmann Controls |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/phymetrix-calculator/id1073762645/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 52 months | **Every 10 months** |
| Monetization | Free | — |
| Size | 1 MB | 37 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alexander Bedrossian](https://appshunter.io/developer/674267968) | [Hussmann Corporation](https://appshunter.io/developer/1305933190) |

## What reviewers say

### Phymetrix Calculator

[App page](https://appshunter.io/ios/app/phymetrix-calculator/id1073762645)

This utility app simplifies moisture calculations by converting between various units and determining dew points and partial water vapor pressures. It's pre-programmed with essential scientific equations for common gases, making complex calculations straightforward.

**Highlights:** Moisture unit conversion, Dew point calculation, Partial water vapor pressure calculation, Pre-programmed scientific equations, Supports common gases, User-friendly interface

**Features:** macOS Compatibility

**In-app purchases:** none


### Hussmann Controls

[App page](https://appshunter.io/ios/app/hussmann-controls/id1501877672)

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

**In-app purchases:** none


## Frequently asked questions

### Is Phymetrix Calculator free?

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

### Is Hussmann Controls free?

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

### Do Phymetrix Calculator or Hussmann Controls have ads?

Neither Phymetrix Calculator nor Hussmann Controls shows ads.

### Which is updated more often, Phymetrix Calculator or Hussmann Controls?

Phymetrix Calculator ships an update every 52 months, and Hussmann Controls every 10 months. Most recently, Phymetrix Calculator was updated on June 10, 2026 and Hussmann Controls on July 23, 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.*