Apps by Wassim Murr
Psychrometrics app icon

Utilities

Psychrometrics

Wassim Murr

$3.99 4.17 · 1 storefront · 12 ratings In-app purchases unconfirmed
Open on Apple

About this app

Psychrometric calculations and interactive Charts. Calculate air properties, plot points and processes on the psychrometric chart, build complete systems, and export project reports to PDF. Whether you're analyzing a single air state or organizing a full HVAC workflow, Psychrometrics gives you the tools to work faster and more clearly on iPhone, iPad and macOS. Key Features Psychrometric Calculator Calculate dry-bulb temperature, wet-bulb temperature, relative humidity, humidity ratio, dew point, enthalpy, and other key air properties. Interactive Psychrometric Chart View psychrometric points and processes directly on the chart. Tap anywhere to instantly read the air properties at that point. Psychrometric Processes Model common HVAC processes including Cooling Coil, Adiabatic Mixing, Sensible Heating, Heating & Humidification, and Evaporative Cooling. Psychrometric Systems Create points, connect processes, and organize complete psychrometric systems for your projects. SI and IP Units Switch between metric and imperial units to match your workflow and project requirements. Project Saving and Management Save, load, and manage multiple psychrometric systems whenever needed. PDF Export and File Sharing Export project tables and charts to PDF, and share project files across iPhone and iPad. Built for iPhone, iPad, and macOS A clean interface designed for fast, practical psychrometric work. Light and Dark Mode Choose between light and dark appearance to match your preferences. Feedback is always welcome and helps shape future updates.

Latest release

What’s New

Version 1.5 Mar 28, 2026

- New interactive psychrometric charts: tap or drag to inspect values directly on the chart. - Improved full-screen chart viewing for a more reliable landscape experience. - Other UI Improvements and bug fixes.

Audience growth

Ratings growth

Steady
7-day gain +0
Ratings / day 0.0
30-day gain +0
US rating-count history
12 ratings
12 Sep 3, 2026 · 12 ratings Sep 3, 2026

Baseline captured. Growth appears after the crawler observes a changed rating count.

Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.

Price tracking

Price intelligence

1 captured event
Current $3.99
Historical low USD 3.99
Paid → free
Price history
Current $3.99
$3.99 $2.00 Free Sep 3, 2026 · $3.99 Sep 3, 2026

First snapshot captured. The trend line starts after the next crawler price observation.

  1. First observed Sep 3, 2026 · 10:12 PM $3.99

Screenshots

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