# Thermodynamics Calculators vs Learn Thermal Engineering

The clearest difference is price: Thermodynamics Calculators at Free against Learn Thermal Engineering's $2.99. Thermodynamics Calculators also leads on update cadence (weekly vs every 20 months). Learn Thermal Engineering's advantage is in-app purchases (none vs 3) and device support (3 vs 1). On ads and iOS requirement there is nothing between them.

Thermodynamics Calculators is free to download; Learn Thermal Engineering costs $2.99 up front. Thermodynamics Calculators sells 3 one-off in-app purchases. Learn Thermal Engineering asks for nothing beyond the download.

Thermodynamics Calculators ships an update weekly, Learn Thermal Engineering every 20 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | Thermodynamics Calculators | Learn Thermal Engineering |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/thermodynamics-calculators/id1483394450/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 20 months |
| Monetization | Free | — |
| Size | 6 MB | 81 MB |
| Requires iOS | 16.6 | **15.6** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [Lucy Enterprises](https://appshunter.io/developer/1656612108) | [Muhammad Umair](https://appshunter.io/developer/1696049320) |

## What reviewers say

### Thermodynamics Calculators

[App page](https://appshunter.io/ios/app/thermodynamics-calculators/id1483394450)

This app provides engineering professionals with a powerful tool for thermodynamics calculations. It features a comprehensive dataset for various species and a range of building blocks to construct complex models. An illustrative sample model is included for guidance.

**Highlights:** Temperature-dependent property data for 8 species, Building blocks for model creation, Daisy-chaining blocks for complex models, Includes one sample model, Validated against commercial software

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Edit option | $0.99 | one-time |
| Remove ads | $1.99 | one-time |
| Modeling access | $4.99 | one-time |


### Learn Thermal Engineering

[App page](https://appshunter.io/ios/app/learn-thermal-engineering/id6451246075)

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

**In-app purchases:** none


## Frequently asked questions

### Is Thermodynamics Calculators free?

Thermodynamics Calculators is free to download, with in-app purchases available.

### Is Learn Thermal Engineering free?

Learn Thermal Engineering costs $2.99, with no in-app purchases.

### Do Thermodynamics Calculators or Learn Thermal Engineering have ads?

Neither Thermodynamics Calculators nor Learn Thermal Engineering shows ads.

### Which is updated more often, Thermodynamics Calculators or Learn Thermal Engineering?

Thermodynamics Calculators ships an update weekly, and Learn Thermal Engineering every 20 months. Most recently, Thermodynamics Calculators was updated on November 3, 2026 and Learn Thermal Engineering on November 3, 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.*