Best Duct Calculator Elite Apps

247+ iOS apps curated and reviewed

3.7 avg rating
13 free apps
Updated August 2026

Every iPhone needs a few good duct calculator elite apps. We benchmark 247+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Compare top Duct Calculator Elite Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Duct Calculator EliteDuct Calculator Elite$9.994.8★ (232)NoNoAug 2026
2Duct CalculatorDuct Calculator$19.994.5★ (188)NoNoAug 2026
3Duct Calculator - DuctCalcDuct Calculator - DuctCalcFree4.6★ (32)NoYesAug 2026
4DuctProDuctProFreeNoNoJun 2026
5Thermaflex Duct CalculatorThermaflex Duct CalculatorFree2.0★ (1)NoNoMay 2026
6DuctCalc.CaDuctCalc.CaFree1.9★ (20)NoYesMay 2026
7Duct Calculator S&PDuct Calculator S&PFree5.0★ (1)NoNoMay 2026
8HVAC Duct CalculatorHVAC Duct CalculatorFreeNoYesJun 2026

Top Picks for Duct Calculator Elite

Duct Calculator Elite#1

Duct Calculator Elite by Cyberprodigy LLC

HVAC Ductulator & Duct Sizing
Editor's Choice
🔧 Utilities
4.8(232 ratings)
$9.99
Duct Calculator Elite screenshot 1
Duct Calculator Elite screenshot 2
Duct Calculator Elite screenshot 3
Duct Calculator Elite screenshot 4
Duct Calculator Elite screenshot 5

This app simplifies HVAC duct sizing calculations. It computes duct size, velocity, pressure drop, and flow rate with an intuitive interface. Supports various units and duct materials for precise HVAC design.

Duct Calculator#2

Duct Calculator by Pheinex, LLC

Ductulator & Duct Sizer
Strong Contender
🔧 Utilities
4.5(188 ratings)
$19.99
Duct Calculator screenshot 1
Duct Calculator screenshot 2
Duct Calculator screenshot 3
Duct Calculator screenshot 4

This app allows HVAC professionals to quickly and accurately size new ducts or calculate the performance of existing ones. It supports both round and rectangular ductwork, offering precise calculations through direct entry or intuitive sliders. The tool provides live updates and outputs key performance metrics.

Duct Calculator - DuctCalc#3

Duct Calculator - DuctCalc by Mikhail Nikitin

HVAC Sizing & Psychrometric
Worth Considering
🔧 Utilities
4.6(32 ratings)
FreeIn-App Purchases
Duct Calculator - DuctCalc screenshot 1
Duct Calculator - DuctCalc screenshot 2
Duct Calculator - DuctCalc screenshot 3
Duct Calculator - DuctCalc screenshot 4
Duct Calculator - DuctCalc screenshot 5
Duct Calculator - DuctCalc screenshot 6

This app provides professional HVAC duct sizing and psychrometric calculations in a single tool. It offers detailed calculations for various duct types and materials, along with comprehensive humid air property analysis. Designed for HVAC professionals, it replaces traditional ductulators with accurate digital functionality.

More Duct Calculator Elite apps to explore

4
DuctPro
DuctPro
DuctPro
HVAC Duct Sizing Calculator
Free
🔧 Utilities
(0)
5
Thermaflex Duct Calculator
Thermaflex Duct Calculator
Thermaflex Duct Calculator
by Gastite Products LLC
Free

This utility app helps HVAC engineers quickly calculate the recommended Thermaflex duct size for installations. Input project volume and friction loss to determine the optimal duct size based on established industry standards.

Calculate recommended duct sizeInput project volume and friction lossSelect Thermaflex product
🔧 Utilities
(1)
free
6
DuctCalc.Ca
DuctCalc.Ca
DuctCalc.Ca
Ductulator Duct Calculator
Free

This utility app calculates duct dimensions and air velocity using two methods: Equal Friction and Velocity. It supports both round and rectangular ducts, offering precise calculations for HVAC professionals. Offline functionality is available with a subscription.

Duct sizing calculatorEqual Friction MethodVelocity Method
🔧 Utilities
(20)
free with in-app purchases
7
Duct Calculator S&P
Duct Calculator S&P
Duct Calculator S&P
by S&P SISTEMAS DE VENTILACION SL.
Free

This utility app performs essential calculations for ventilation systems. It offers tools for converting duct sizes, determining air parameters like speed and airflow, and calculating pressure drops. It also includes a unit converter for various measurements.

Diameter conversion (circular to rectangular)Ventilation parameter calculation (diameter, speed, airflow, pressure)Pressure drop calculation for straight sections and system elements
🔧 Utilities
(1)
free
8
HVAC Duct Calculator
HVAC Duct Calculator
HVAC Duct Calculator
Duct sizing made simple
Free
🔧 Utilities
(0)
9
SMACNA Duct-U-Lator
SMACNA Duct-U-Lator
SMACNA Duct-U-Lator
Size Simple HVAC Duct Runs
Free

This tool simplifies HVAC duct sizing for professionals. It quickly calculates dimensions for rectangular, round, and oval ducts based on airflow, friction loss, and velocity, ensuring optimal ventilation system performance.

Rectangular, round, and oval duct sizingReal-time calculation updatesConverts duct shapes and sizes
💼 Business
(1)
free
10
Duct Calculator: HVAC Sizing
Duct Calculator: HVAC Sizing
Duct Calculator: HVAC Sizing
HVAC duct sizing & airflow
Free
🔧 Utilities
(0)
11
HVAC Duct Size Calculator
HVAC Duct Size Calculator
HVAC Duct Size Calculator
by Alan Cave
$0.99

This utility app assists HVAC design professionals in calculating duct sizes. It goes beyond basic calculations to provide a list of suitable duct sizes based on design criteria, offering an intuitive interface for precise adjustments.

Duct size calculationVelocity, friction, and volume calculationsList of even-sized ducts
🔧 Utilities
(1)
paid
12
DuctPro: Duct Size Calculator
DuctPro: Duct Size Calculator
DuctPro: Duct Size Calculator
Duct Sizer & Static Pressure
Free
🔧 Utilities
(0)
13
Duct Calculator Pro
Duct Calculator Pro
Duct Calculator Pro
by Imran Pinjara
$3.99

This tool assists HVAC professionals and students with quick and precise calculations for duct sizing, airflow velocity, and airflow rate. It works offline and features a user-friendly interface for efficient project work.

Duct size calculationAirflow velocity (FPM) calculationAirflow rate (CFM) calculation
🔧 Utilities
(1)
paid
14
Duct Construction
Duct Construction
Duct Construction
Gauge & Reinforcements
$0.99
$2.99 | 67% OFF

This app helps determine duct construction and reinforcement options based on duct size and system pressure class. It provides condensed lists of suitable options, saving time spent on manual calculations and table lookups. Results are based on industry standards for galvanized steel duct sheets.

Duct size range from 2" to 120"Pressure classes up to 4 in.wgCalculates duct weights per linear foot
📊 Productivity
(1)
paid
15
Digiduct
Digiduct
Digiduct
Duct-Sizing App
Free

This HVAC tool assists professionals with duct sizing calculations based on ASHRAE standards. It supports multiple duct shapes and offers intelligent features to ensure accurate and reliable designs for real-world scenarios.

Duct sizing for rectangular, round, and flat oval ductsCustomizable dimensions with locked valuesDuct location intelligence for context-aware sizing
🔧 Utilities
(11)
ad-supported
16
Ductulator: HVAC Calculator
Ductulator: HVAC Calculator
Ductulator: HVAC Calculator
Duct Sizing Calculator
Free
🔧 Utilities
(0)
17
Duct Mate: HVAC Duct Sizer
Duct Mate: HVAC Duct Sizer
Duct Mate: HVAC Duct Sizer
Duct Sizing & Airflow Calc
Free
🔧 Utilities
(0)
18
HVAC Duct Sizer
HVAC Duct Sizer
HVAC Duct Sizer
HVAC duct sizing and more...
$5.99

This app provides quick and simple HVAC duct sizing analysis. It allows users to calculate duct dimensions based on airflow or existing dimensions, and can also determine a range of duct sizes. Results can be emailed for further analysis.

Duct sizing by airflowDuct sizing by dimensionsRange of duct sizes calculation
🔧 Utilities
(8)
free with in-app purchases
19
Quietflex Ductulator
Quietflex Ductulator
Quietflex Ductulator
by Goodman Manufacturing L.P.
Free

This utility app helps HVAC professionals and enthusiasts quickly calculate essential airflow metrics for various duct sizes. It provides CFM, FPM, and FL values, simplifying HVAC system design and analysis.

Calculate CFMCalculate FPMCalculate FL
🔧 Utilities
(1)
free
20
Ductulator - Duct Sizing
Ductulator - Duct Sizing
Ductulator - Duct Sizing
HVAC Duct Design Calculator
$3.99

Instantly calculate HVAC duct sizes based on airflow, friction rate, or velocity. This tool provides accurate duct dimensions in seconds without needing charts, supporting various duct types and units.

Instant duct sizingFriction rate or velocity calculationMultiple valid duct dimensions
📊 Productivity
(317)
free

FAQ about Duct Calculator Elite

What are the best duct calculator elite apps for iPhone?
Duct Calculator Elite tops our duct calculator elite apps ranking as of August 2026, with a 4.8-star average from 232 App Store ratings, and it's priced at $9.99.
Yes — 13 of the top duct calculator elite apps we rank are free to download, including Duct Calculator - DuctCalc and DuctPro.
Duct Calculator Elite has no ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 247+ duct calculator elite apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
Duct Calculator Elite is a professional tool designed to simplify HVAC duct sizing. It allows users to calculate essential parameters like duct size, air velocity, pressure drop, and flow rate for ductwork systems. The app features an intuitive interface for precise value entry and offers multiple calculation modes to suit different design needs.
Duct Calculator Elite is a paid application. The price is a one-time purchase, and there are no ongoing subscription fees or in-app purchases mentioned for its core functionality. This provides users with full access to all its features upon purchase.