Best Duct Calculator Pro alternatives: apps like Duct Calculator Pro

10+ similar apps compared and reviewed

4.3 avg rating
4 free apps
Updated October 2026

Duct Calculator Pro is great, but it's not the only option. Explore 10+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.

Top Alternatives to Duct Calculator Pro

Capacitor Calculator#2

Capacitor Calculator by Nitrio

Charge and Time Constant
Strong Contender
🔧 Utilities
3.8(4 ratings)
$2.99
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This utility app calculates the time constant and energy stored in a capacitor. It helps understand the time-delay characteristics of electrical circuits when a voltage is applied.

Pipe Sizer - Water Pipe Sizing#3

Pipe Sizer - Water Pipe Sizing by Wassim Murr

Pipecalc Pressure & gravity
Worth Considering
🔧 Utilities
5.0(3 ratings)
$0.99
Pipe Sizer - Water Pipe Sizing screenshot 1
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This utility app assists in selecting appropriate pipe diameters for water systems, supporting both pressure and gravity flow calculations. It offers automatic recommendations based on user-defined limits and incorporates multiple pipe materials and unit systems.

More apps like Duct Calculator Pro

4
HVAC Refrigerant PT
HVAC Refrigerant PT
HVAC Refrigerant PT
AC Pressure Charts & Superheat
$6.99

This utility app provides HVAC professionals with essential refrigerant pressure and temperature charts, along with detailed physical properties for numerous refrigerants. It offers customizable units for temperature and pressure, making it a comprehensive tool for air conditioning system diagnostics and maintenance.

Refrigerant pressure/temperature (PT) chartsBubble and Dew Point dataCustomizable temperature units (C/F)
🔧 Utilities
(64)
paid
5
Gas Pipe Sizing Calculator
Gas Pipe Sizing Calculator
Gas Pipe Sizing Calculator
by Connor Kelley
$1.99

This utility app simplifies gas pipe sizing by performing calculations based on BTU load, run length, and gas type. It eliminates the need for manual chart and codebook referencing, providing the minimum required pipe size quickly.

Calculates minimum gas pipe sizeInput BTU loadInput longest run length
🔧 Utilities
(4)
paid
6
WPG IntelliGrip
WPG IntelliGrip
WPG IntelliGrip
by WOOD'S POWR-GRIP CO., INC.
Free

Monitor the status, battery, vacuum levels, and performance of your DC3 Intelli-Grip lifters. Track maintenance records and access key metrics directly from your iOS device.

Lifter status monitoringBattery strength displayVacuum level tracking
🔧 Utilities
(1)
ad-supported
7
Psychrometrics
Psychrometrics
Psychrometrics
Interactive Chart & Calculator
$3.99

This app provides tools for analyzing and quantifying air and moisture properties. It offers a comprehensive calculator, interactive chart, and project management features for HVAC engineers, meteorologists, and industrial professionals. Supports both SI and IP units for versatile use.

Comprehensive psychrometric calculatorDual units support (SI/IP)Psychrometric process simulation
🔧 Utilities
(11)
paid
8
Omni CFM Calculator
Omni CFM Calculator
Omni CFM Calculator
Calculate CFM, ACH & Filters
Free
🔧 Utilities
(0)
9
ULT-Calculator
ULT-Calculator
ULT-Calculator
by Stefan Jakschik
Free
🔧 Utilities
(0)
10
MEP Calc: HVAC Fire Calculator
MEP Calc: HVAC Fire Calculator
MEP Calc: HVAC Fire Calculator
Duct, Pipe & Sprinkler Sizing
Free
🔧 Utilities
(0)