Best D2F Ductulator Apps

40+ iOS apps curated and reviewed

4.0 avg rating
13 free apps
Updated May 2026

AI Ductulator is the household name in d2f ductulator, but it's far from the only option. We track 40+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Top Picks for D2F Ductulator

AI Ductulator#1

AI Ductulator by pasquale dipaola

Editor's Choice
🔧 Utilities
3.9(9 ratings)
$3.99
AI Ductulator screenshot 1
AI Ductulator screenshot 2

This application is a duct sizing calculator that helps users determine the correct duct size for their needs. Try it out to accurately size your ducts and optimize your system.

More D2F Ductulator apps to explore

4
Ductulator - Duct Sizing
Ductulator - Duct Sizing
Ductulator - Duct Sizing
HVAC Duct Design Calculator
$3.99
📊 Productivity
(272)
5
Quietflex Ductulator
Quietflex Ductulator
Quietflex Ductulator
by Goodman Manufacturing L.P.
Free
🔧 Utilities
(1)
6
PT Ductulator
PT Ductulator
PT Ductulator
Duct Calculator
Free
📊 Productivity
(0)
7
DuctCalc.Ca
DuctCalc.Ca
DuctCalc.Ca
Ductulator Duct Calculator
Free

This duct calculator app allows users to size ducts using the Equal Friction Method and Velocity Method, calculating dimensions and air velocity for round and rectangular ducts, with the option to subscribe for full airflow functionality. By subscribing, users can access the full range of airflow calculations and use the app offline, making it a convenient tool for duct sizing and engineering applications.

🔧 Utilities
(20)
8
HVAC Duct Size Calculator
HVAC Duct Size Calculator
HVAC Duct Size Calculator
by Alan Cave
$0.99

This application helps HVAC design professionals determine optimal duct sizes with precision, offering a list of suitable even-sized ducts at various aspect ratios. It features an intuitive interface for easy adjustments and calculations, making it a valuable tool for streamlining duct sizing tasks.

🔧 Utilities
(1)
9
SuperCool Slide Rule HVAC
SuperCool Slide Rule HVAC
SuperCool Slide Rule HVAC
by Designstein, llc
Free

Get advanced solutions for HVAC problems with an interactive app that guides technicians through repair steps. Simplify complex issues and enhance your repair processes.

🔧 Utilities
(185)
10
Duct Calculator
Duct Calculator
Duct Calculator
Ductulator & Duct Sizer
$19.99

This application allows HVAC engineers, designers, and contractors to quickly and accurately size new ducts or calculate the performance of existing ducts on their mobile devices. It enables users to perform calculations for round and rectangular ductwork, with features such as live updates, direct entry of numbers, and unit conversions, making it ideal for designing air handling systems.

🔧 Utilities
(179)
11
Duct Calculator - DuctCalc
Duct Calculator - DuctCalc
Duct Calculator - DuctCalc
HVAC Sizing & Psychrometric
Free
🔧 Utilities
(7)
12
Ductulator
Ductulator
Ductulator
by Simon Leroux
Free

This application is a simple and efficient calculator for determining ventilation duct dimensions, specifically designed for engineers, architects, and contractors. It enables users to quickly calculate equivalent round diameters for square ventilation ducts, convert duct dimensions, and obtain metric equivalences, making it an essential tool for mechanical ventilation, air conditioning, and heating projects.

📊 Productivity
(2)
13
Gemaire HVAC Pro+
Gemaire HVAC Pro+
Gemaire HVAC Pro+
HVAC Tools
Free

Access a wide range of HVAC tools and product information on-the-go with Gemaire's mobile app. Simplify your HVAC tasks and save time with this handy tool, whether you're on-site, on the road, or relaxing at home. Ideal for HVAC professionals looking to streamline their workflow.

📊 Productivity
(798)
14
Baker HVAC Pro+
Baker HVAC Pro+
Baker HVAC Pro+
HVAC Tools
Free
📊 Productivity
(570)
15
Duct Calculator Elite
Duct Calculator Elite
Duct Calculator Elite
Ducting Size Calculator
$6.99

This ducting size calculator simplifies the job of duct sizing for HVAC professionals, allowing users to calculate duct size, velocity, pressure drop, and flow rate for ductwork with precision and ease. Download the app to streamline your duct sizing calculations and take advantage of customizable preference settings and accurate solver equations.

🔧 Utilities
(220)
16
Digiduct
Digiduct
Digiduct
Duct-Sizing App
Free

This HVAC duct-sizing app utilizes ASHRAE Fundamentals equations, offering accurate sizing for rectangular, round, and flat oval ducts with customizable dimensions and intelligent location parameters. Ensure precision in your HVAC designs by leveraging the unique features of this app.

🔧 Utilities
(10)
17
Duct Calculator
Duct Calculator
Duct Calculator
by OMIKRON MAKINE MUHENDISLIGI IC VE DIS TICARET SANAYI LIMITED SIRKETI
Free

This mobile application allows users to easily calculate duct sizes and make necessary adjustments. Download it now to simplify your duct calculations and take control of your projects.

🔧 Utilities
(1)
18
Greenheck Toolbox
Greenheck Toolbox
Greenheck Toolbox
by Greenheck
Free

This application offers two essential tools for HVAC professionals: a Fan Law Calculator to determine fan performance by modifying existing measurements, and a Ductulator to quickly size HVAC duct based on various inputs. By using these tools, users can easily calculate and determine essential parameters for their HVAC systems.

🔧 Utilities
(3)
19
HVAC Duct Sizer
HVAC Duct Sizer
HVAC Duct Sizer
HVAC duct sizing and more...
$5.99

This application helps HVAC professionals quickly and easily size ducts using the constant friction method, with features to analyze existing duct systems and generate reports. Download the app to perform duct sizing analysis, track equipment, and access a range of HVAC calculation tools.

🔧 Utilities
(8)
20
Heating & Cooling HVAC Pro+
Heating & Cooling HVAC Pro+
Heating & Cooling HVAC Pro+
HVAC Tools
Free

This mobile app is an HVAC "Easy Button" that provides access to product information, useful tools, and expert technical support, making it easier for professionals to work efficiently. With the app, users can view product information, search for equipment, verify warranty registrations, access technical support, and utilize various calculators and tools to streamline their work.

📊 Productivity
(42)