# Thermodynamics Calculator vs Cryogenics Pro

The clearest difference is review sentiment: Thermodynamics Calculator at 50% against Cryogenics Pro's 0%. Thermodynamics Calculator also leads on rating (4.0 vs 1.0) and in-app purchases (none vs 3). Cryogenics Pro's advantage is price (Free vs $1.99) and update cadence (every 10 days vs every 7 months). On ads, device support and iOS requirement there is nothing between them.

Cryogenics Pro is free to download; Thermodynamics Calculator costs $1.99 up front. Cryogenics Pro sells 3 in-app purchases, starting at $0.99 per month. Thermodynamics Calculator asks for nothing beyond the download.

Thermodynamics Calculator holds the better App Store score, 4.0 against 1.0. That said, the two scores are not equally well evidenced: Thermodynamics Calculator has 30 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 50% of Thermodynamics Calculator's written reviews are positive against 0% of Cryogenics Pro's.

Thermodynamics Calculator ships an update every 7 months, Cryogenics Pro every 10 days. The most recent releases landed on October 23, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Thermodynamics Calculator | Cryogenics Pro |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[4.0 (30 ratings)](https://appshunter.io/ios/app/thermodynamics-calculator/id521684348/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/cryogenics-pro/id6757348860/reviews) |
| Number of ratings | **30** | 1 |
| Positive reviews | **50.0% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 10 days** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 11 MB | 55 MB |
| Requires iOS | 16.1 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | +4 | 4+ |
| Developer | [V PUGAZHENTHI](https://appshunter.io/developer/491898049) | [立中 侯](https://appshunter.io/developer/1532582722) |

## What reviewers say

### Thermodynamics Calculator

[App page](https://appshunter.io/ios/app/thermodynamics-calculator/id521684348)

This app offers 44 essential thermodynamics calculators and thermal engineering tables. It provides quick access to formulas, definitions, and data, making it a valuable tool for engineers and students.

**Highlights:** 44 thermodynamics calculators, Thermal engineering tables, Formulas, tables, and definitions, Compatible with iPhone and iPad, Quick and easy reference

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

**In-app purchases:** none


### Cryogenics Pro

[App page](https://appshunter.io/ios/app/cryogenics-pro/id6757348860)

This app provides thermodynamic calculations and equipment sizing tools for engineers. It offers accurate fluid data and process analysis using the CoolProp library, with features like unit conversion and basic fluid property queries.

**Highlights:** Thermodynamic calculations, Equipment sizing tools, CoolProp library integration, Unit converter, Basic fluid properties, Engineering guidelines

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $0.99 | per month |
| Yearly Subscription | $9.99 | per year |
| Lifecycle purchase. | $29.99 | one-time |


## Frequently asked questions

### Is Thermodynamics Calculator free?

Thermodynamics Calculator costs $1.99, with no in-app purchases.

### Is Cryogenics Pro free?

Cryogenics Pro is free to download, with in-app purchases available.

### Which has better reviews, Thermodynamics Calculator or Cryogenics Pro?

Thermodynamics Calculator is rated higher. Thermodynamics Calculator averages 4.0 out of 5 from 30 ratings, while Cryogenics Pro averages 1.0 from 1 ratings.

### Do Thermodynamics Calculator or Cryogenics Pro have ads?

Neither Thermodynamics Calculator nor Cryogenics Pro shows ads.

### Which is updated more often, Thermodynamics Calculator or Cryogenics Pro?

Thermodynamics Calculator ships an update every 7 months, and Cryogenics Pro every 10 days. Most recently, Thermodynamics Calculator was updated on October 23, 2026 and Cryogenics Pro on October 25, 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.*