# Thermodynamics Calculators vs Chemical Engineering+

The clearest difference is rating: Thermodynamics Calculators at 5.0 against Chemical Engineering+'s 3.0. Thermodynamics Calculators also leads on update cadence (weekly vs every 2 months) and monetization model (free vs free with in-app purchases). On price, review sentiment, ratings volume and ads there is nothing between them.

Both are free to download. Thermodynamics Calculators sells 3 one-off in-app purchases and Chemical Engineering+ sells 6 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Thermodynamics Calculators holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 2 respectively. Written reviews split almost evenly too, at 0% and 0% positive.

Thermodynamics Calculators ships an update weekly, Chemical Engineering+ every 2 months. The most recent releases landed on September 29, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Thermodynamics Calculators | Chemical Engineering+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/thermodynamics-calculators/id1483394450/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/chemical-engineering-plus/id6740001145/reviews) |
| Number of ratings | 2 | 2 |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 6 MB | 18 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Lucy Enterprises](https://appshunter.io/developer/1656612108) | [Forwa Elade Wunde](https://appshunter.io/developer/1685241344) |

## 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 |


### Chemical Engineering+

[App page](https://appshunter.io/ios/app/chemical-engineering-plus/id6740001145)

Test your knowledge of chemical engineering with a comprehensive quiz app. It offers thousands of questions across various topics, adaptive difficulty, and detailed explanations to enhance learning. Prepare for exams and boost your industry skills with this interactive tool.

**Highlights:** Extensive question bank, Topic-specific quizzes, Calculations & problem solving, Adaptive difficulty, Interactive learning with explanations, Offline play, Leaderboard competition

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month | $9.99 | per month |
| 6 Months | $19.99 | per 6 months |
| 1 Year | $29.99 | per year |
| 1500 | $0.99 | one-time |
| 3500 | $1.99 | one-time |
| 9000 | $3.99 | one-time |


## Frequently asked questions

### Is Thermodynamics Calculators free?

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

### Is Chemical Engineering+ free?

Chemical Engineering+ is free to download, with in-app purchases available.

### Which has better reviews, Thermodynamics Calculators or Chemical Engineering+?

Thermodynamics Calculators is rated higher. Thermodynamics Calculators averages 5.0 out of 5 from 2 ratings, while Chemical Engineering+ averages 3.0 from 2 ratings.

### Do Thermodynamics Calculators or Chemical Engineering+ have ads?

Neither Thermodynamics Calculators nor Chemical Engineering+ shows ads.

### Which is updated more often, Thermodynamics Calculators or Chemical Engineering+?

Thermodynamics Calculators ships an update weekly, and Chemical Engineering+ every 2 months. Most recently, Thermodynamics Calculators was updated on September 29, 2026 and Chemical Engineering+ on October 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.*