# Clausius

> Interactive visual reference for thermodynamic properties of water. (iPhone/iPad app by Smitesh Bakrania.)

- Source: https://appshunter.io/ios/app/clausius/id1023474133 (this page in markdown: same URL + `.md`)
- Developer: [Smitesh Bakrania](https://appshunter.io/developer/1609864392)
- Category: Education, Reference
- Price: Free
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 15.4 · 3 MB
- Languages: American English
- Released: 2015-08-26
- Data updated: 2026-06-24
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/clausius/id1023474133/reviews.md

## What is Clausius?

An intuitive visual reference for thermo. properties of water. Simply glide your finger across the chart to retrieve thermodynamic properties. Best suited for engineering courses. Charts include T-s, P-h and P-v diagrams for water.

Acknowledgements.
Dr. Matthias Gottschalk for providing water EOS algorithm in the superheated region and Austin Carrig for app development.

## Key features

- Interactive thermodynamic property charts
- Visual reference for water properties
- T-s, P-h, and P-v diagrams
- Intuitive finger-glide interface
- Suitable for engineering courses


## Frequently asked questions about Clausius

### What is Clausius?

Clausius is an intuitive visual reference tool that displays the thermodynamic properties of water. It allows users to interactively explore T-s, P-h, and P-v diagrams by gliding their finger across the charts.

### Who is Clausius best suited for?

This application is best suited for students in engineering courses and professionals who require a quick and accessible way to retrieve thermodynamic data for water.

### What types of charts are included in Clausius?

Clausius includes essential thermodynamic charts for water, specifically T-s (temperature-entropy), P-h (pressure-enthalpy), and P-v (pressure-volume) diagrams.

### How does the interactive chart in Clausius work?

Users can simply glide their finger across the displayed thermodynamic charts. As the finger moves, the app retrieves and displays the corresponding thermodynamic properties of water in real-time.

### What devices does Clausius support?

Clausius is available for macOS computers and iPads, offering a flexible platform for users to access its educational content.

### How often is Clausius updated?

The latest version of Clausius is 3.0.1, which was last updated on September 24, 2022. This indicates a history of development and maintenance for the application.

### Does Clausius have ads?

No, Clausius is an ad-free application, providing an uninterrupted learning experience for its users.

### What is the user rating for Clausius?

Clausius has received an excellent rating of 5.0 stars based on 1 review, suggesting a highly positive user experience among its current users.

## Version history (last 5 releases)

### 3.0.1 — 2022-09-24

New version of the app written in Swift! This version also includes better stability than the last version and a menu to switch between chart types.

### 2.1.2 — 2022-02-16

Reverting an update that made this app only available for iOS 15.2

### 2.1.1 — 2022-02-14

Removed P-h and P-v charts temporarily to avoid app crashes, and fixed assorted bugs.

### 2.1.0 — 2017-12-13

1. Fine-tuning: intuitive finer control over state selection
2. Thermodynamics Explained: a video link explains the water properties

### 2.0.0 — 2016-05-04

1. New Pressure-volume (P-v) and Pressure-enthalpy (P-h) charts
2. Animated target for improved visibility and tracking
3. Better Temperature-entropy (T-s) chart graphic
4. Swipe gestures to access charts
5. Bug fixes

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-24.*