# Psychrometry Chart — Moist air properties

> Calculates and displays moist air thermodynamic properties with interactive chart. (iPhone/iPad app by Konstantinos Ladiellis.)

- Source: https://appshunter.io/ios/app/psychrometry-chart/id1516103441 (this page in markdown: same URL + `.md`)
- Developer: [Konstantinos Ladiellis](https://appshunter.io/developer/1516103440)
- Category: Education, Reference
- Price: $1.99
- Age rating: 4+
- Requires: iOS 15.6 · 3 MB
- Languages: American English, Chinese (Simplified, China)
- Released: 2020-06-02
- Data updated: 2026-08-30
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/psychrometry-chart/id1516103441/reviews.md

## What is Psychrometry Chart?

The application is a psychrometric chart. It accurately calculates and displays relevant thermodynamic air & water vapour mixture properties.
Supports both SI and imperial unit systems By sliding the reticle within the graph the properties values for each corresponding graph point are instantly updated and displayed in the respective fields. In particular the following properties are shown: Dry-bulb temperature, Relative humidity, Wet bulb temperature, Specific enthalpy & Dew point.
Additionally ISO-7730 PMV/PPD thermal comfort parameters are calculated.

## Key features

- Moist air property calculation
- SI and imperial unit support
- Interactive chart with reticle
- Displays dry-bulb temp, humidity, enthalpy
- Calculates PMV/PPD thermal comfort

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/psychrometry-chart/id1516103441/reviews.md

### 1/5 — Useless?

*2020-09-05*

I could not get it to do anything useful.

## Frequently asked questions about Psychrometry Chart

### What properties does Psychrometry Chart calculate?

Psychrometry Chart calculates dry-bulb temperature, relative humidity, wet bulb temperature, specific enthalpy, and dew point for moist air mixtures. It also computes ISO-7730 PMV/PPD thermal comfort parameters.

### Does Psychrometry Chart support different units?

Yes, Psychrometry Chart supports both SI and imperial unit systems, making it versatile for various international standards and user preferences.

### How do I find property values in Psychrometry Chart?

You can find property values by sliding the reticle within the interactive graph. The corresponding values for each point are instantly updated and displayed in the respective fields.

### What is the price of Psychrometry Chart?

Psychrometry Chart is a paid application priced at $1.99.

### What devices is Psychrometry Chart available on?

Psychrometry Chart is available on iPhone, iPad, and iPod devices.

### How often is Psychrometry Chart updated?

The latest version is 3.1, and the app was last updated on September 29, 2025, indicating active development and support.

### Is Psychrometry Chart suitable for beginners?

With its clear interactive chart and property display, Psychrometry Chart is suitable for students and professionals alike. Its educational focus makes it a valuable learning tool.

### Does Psychrometry Chart have ads?

No, Psychrometry Chart does not contain advertisements.

## Version history (last 5 releases)

### 3.1 — 2025-09-29

presentation enhancements

### 3.0 — 2025-09-23

Addition of ISO 7730 PMV/PPD thermal comfort parameters calculation based on user inputs for clothing, activity, air speed and radiant temperature.

### 2.91 — 2022-11-01

Bug fix

### 2.90 — 2022-10-31

Bug fixes and improvements

### 2.85 — 2022-09-15

Bug fix

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## More apps by Konstantinos Ladiellis

- [Project Budget](https://appshunter.io/ios/app/project-budget/id1519616077)
- [Bouncing ball simulator](https://appshunter.io/ios/app/bouncing-ball-simulator/id1536929463)
- [Lissajous curves](https://appshunter.io/ios/app/lissajous-curves/id1553830339)
- [Bullet Ballistics](https://appshunter.io/ios/app/bullet-ballistics/id1564805405)
- [Beam statics](https://appshunter.io/ios/app/beam-statics/id1609871429)

All apps by Konstantinos Ladiellis: https://appshunter.io/developer/1516103440

## Related topics

[psychrometric chart](https://appshunter.io/ios/topics/psychrometric-chart) · [flycarpet psychrometric chart](https://appshunter.io/ios/topics/flycarpet-psychrometric-chart)

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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 2026-08-30.*