# Thermo Physical Prop vs Hosdu

The clearest difference is price: Hosdu at Free against Thermo Physical Prop's $4.99. Hosdu also leads on update cadence (every 3 weeks vs every 8 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Hosdu is free to download; Thermo Physical Prop costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Thermo Physical Prop ships an update every 8 months, Hosdu every 3 weeks. The most recent releases landed on September 12, 2026 and July 5, 2026 respectively.

## The numbers

| Metric | Thermo Physical Prop | Hosdu |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/thermo-physical-prop/id460148819/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 3 weeks** |
| Monetization | Paid | — |
| Size | 1 MB | 59 MB |
| Requires iOS | 14.3 | **14** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kaup Shenoy Associates](https://appshunter.io/developer/460148822) | [Anzaro Quantum Healing ApS](https://appshunter.io/developer/1575540434) |

## What reviewers say

### Thermo Physical Prop

[App page](https://appshunter.io/ios/app/thermo-physical-prop/id460148819)

Access essential thermo-physical property data for seventeen common industrial fluids. This app provides quick reference for engineers and students in thermodynamics, fluid mechanics, and heat transfer, aiding in flow system design computations.

**Highlights:** Data for 17 common industrial fluids, SI and USCS unit options, Transport properties (density, viscosity, etc.), Gas properties (molecular weight, specific heat ratio, etc.), Steam table with saturated and superheat conditions, Humid air properties (humidity ratio, dew point, etc.)

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

**In-app purchases:** none


### Hosdu

[App page](https://appshunter.io/ios/app/hosdu/id6446111909)

**In-app purchases:** none


## Frequently asked questions

### Is Thermo Physical Prop free?

Thermo Physical Prop costs $4.99, with no in-app purchases.

### Is Hosdu free?

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

### Do Thermo Physical Prop or Hosdu have ads?

Neither Thermo Physical Prop nor Hosdu shows ads.

### Which is updated more often, Thermo Physical Prop or Hosdu?

Thermo Physical Prop ships an update every 8 months, and Hosdu every 3 weeks. Most recently, Thermo Physical Prop was updated on September 12, 2026 and Hosdu on July 5, 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.*