# Munters PsychroApp

> Psychrometric calculation tool for moist air properties using ASHRAE equations. (iPhone/iPad app by Munters Europe AB.)

- Source: https://appshunter.io/ios/app/munters-psychroapp/id447875323 (this page in markdown: same URL + `.md`)
- Developer: [Munters Europe AB](https://appshunter.io/developer/447875326)
- Category: Productivity
- Price: Free
- Rating: 3.00/5 from 5 App Store ratings · 20 written reviews indexed
- Age rating: 4+
- Requires: iOS 10.3 · 3 MB
- Languages: American English, Danish, Dutch, Finnish, French (France), German (Germany), Italian, Japanese, Norwegian Bokmål, Chinese (Simplified, China) and 3 more
- Released: 2011-11-01
- Data updated: 2026-08-08
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/munters-psychroapp/id447875323/reviews.md

## What is Munters PsychroApp?

Munters PsychroApp™ is the quick and easy psychrometric calculation tool designed for the iPhone and iPod touch which can run unmodified on an iPad too making accurate calculations of the thermodynamic properties of moist air easy.

Calculate the total, sensible, latent and moisture loads of any process more accurately than using psychrometric charts.

Munters PsychroApp™ provides quick and easy access to calculations such as dew point, grams per kg and grains per pound. Simply enter the temperature and relative humidity and Munters PsychroApp™ will output the corresponding dew point or grams per kg/grains per pound, giving you the insight you need for your job.

Munters PsychroApp™ uses ASHRAE equations and is the simple effective tool from a leader in energy efficient air treatment.

  - English language imperial and SI units
  - Mixing and process screens
  - Drybulb range -80°F to 400°F/-62°C to 200°C
  - Dewpoint range -80°F to 200°F/-62°C to 93°C

The input and output values for PsychroApp™ can be set to different units providing an easy means to make conversions.

Numeric inputs are entered via a numeric keypad.

Air and Water Vapour Properties in PsychroApp™
Psychrometric
°Fdb / °Cdb - Dry Bulb Temperature
°Fwb / °Cwb - Wet Bulb Temperature
%RH - Relative Humidity
Btu/lb / kJ/kg - Enthalpy
°Fdp / °Cdp - Dew Point Temperature
gr/lb / g/kg - Humidity Ratio
ft≥/lb - m≥/kg - Specific Volume
in Hg VP / mm Hg VP - Vapour Pressure
lb/ft³ / kg/m³ - Density
PPMw - Parts Per Million by weight
PPMv - Parts Per Million by volume
gr/ft³ / g/m³ - Absolute Humidity

Pressure
Alt in Ft / m - Altitude (elevation)
psia / kPa - Absolute Pressure

PsychroApp™ is registered software from Munters - the leading energy efficient air treatment company

## Key features

- Psychrometric calculations
- Dew point and humidity ratio
- Imperial and SI units
- Mixing and process screens
- ASHRAE equations
- Unit conversions

## Recent user reviews (10 of 20)

All indexed reviews: https://appshunter.io/ios/app/munters-psychroapp/id447875323/reviews.md

### 1/5 — Poor front end

*2022-03-07, version 2.0.1*

Bad app need to update the front end

### 3/5 — Process Load Errors

*2021-05-30*

I noticed a negative comments about the process loads, so instead of just complaining I figured I would do something, because as a Professional Engineer I should be able to solve this problem or at least identify what it is, I mean I actually know psychometrics. 

It’s pretty obvious that if the total load is over 1 million BTUs the app errors out, it be nice if the programmers fix it, but any engineer that can’t figure that out should you should ask yourself should you really be designing air-conditioning systems, just do the calculation with half the CFM and multiply by two problems solved.

### 4/5 — Not bad

*2020-01-21, version 2.0.1*

not bad.

### 1/5 — Process calculations are incorrect

*2017-10-27*

Obvious errors in calculating process loads with new version of App

### 1/5 — Something very wrong in process calc

*2017-10-03*

20,000 cfm from 95/77 to 55/54.5 is most certainly NOT 9 Tons. Something is very wrong here.

### 5/5 — Great air mixing psychrometric app

*2017-03-22*

Love this app.  Have been using it for a while.  Munters knows their stuff.  I would certainly add a calculation page or two to combine a few scenarios, but this gets the job done.  I am a mechanical PE, btw.  Great for estimating loads for DOAS, mixed air, whatever.

### 5/5 — The best

*2016-01-06*

Excellent

### 3/5 — Erreur

*2013-11-29, version 1.2*

Pour un point spécifique tout est ok

Par contre lorsque nous voulons un process avec chauffage l'application énonce une puissance erroné

### 4/5 — HVAC Engineer

*2013-06-03*

Please optimize for iPhone 5 and issue iPad version!!!

### 5/5 — Fantastic and practical

*2013-03-16*

Love it. Use it all the time.

## Frequently asked questions about Munters PsychroApp

### What is Munters PsychroApp used for?

Munters PsychroApp is a tool for performing quick and accurate psychrometric calculations of moist air properties. It helps users calculate thermodynamic data like dew point, enthalpy, and humidity ratios.

### What units does Munters PsychroApp support?

Munters PsychroApp supports both English language imperial and SI units. Input and output values can be set to different units, facilitating easy conversions.

### What is the accuracy of Munters PsychroApp's calculations?

The app uses ASHRAE equations for its calculations, aiming for greater accuracy than traditional psychrometric charts. It provides detailed thermodynamic properties of moist air.

### What is the temperature and dew point range in Munters PsychroApp?

The drybulb temperature range is -80°F to 400°F (-62°C to 200°C), and the dewpoint range is -80°F to 200°F (-62°C to 93°C).

### Does Munters PsychroApp have ads?

No, Munters PsychroApp does not contain advertisements. It is a free application without any in-app purchases or ads.

### On which devices can I use Munters PsychroApp?

Munters PsychroApp is designed for the iPhone and iPod touch and can run unmodified on an iPad.

### How often is Munters PsychroApp updated?

The app was last updated on November 23, 2017, to version 2.0.1. Users can expect updates to maintain compatibility and potentially add new features.

### What is the user rating for Munters PsychroApp?

Munters PsychroApp has a rating of 3.0 stars from 5 ratings. This suggests a mixed user reception, with some users finding it useful and others potentially encountering issues.

## Version history (last 5 releases)

### 2.0.1 — 2017-11-23

This app has been updated by Apple to display the Apple Watch app icon.

Added additional language support

### 2.0 — 2017-09-16

Compiled for 64 bit operation.
User interface changes.

### 1.2 — 2012-06-27

Bug-fixes:
Correct mixing view display bug on iOS 5.* versions.
Some input combinations in point view could produce incorrect values instead of displaying the Exceeds Limits message.

### 1.1 — 2011-11-18

Bugfix: Larger numbers are now correctly displayed in the process loads output.

### 1.0 — 2011-11-01

No release notes.

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## More apps by Munters Europe AB

- [Munters ProApp – DataCom™](https://appshunter.io/ios/app/munters-proapp-datacom/id986281348)

All apps by Munters Europe AB: https://appshunter.io/developer/447875326

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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 2026-08-08.*