Best Ductulator App Alternative

0+ iOS apps curated and reviewed

4.5 avg rating
13 free apps
Updated July 2026

WinFab is the household name in ductulator app alternative, but it's far from the only option. We track 0+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Ductulator App Alternative (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1WinFab - Sheet Metal DuctulatorWinFab - Sheet Metal Ductulator$3.994.8★ (6)NoNoAug 2026
2Ductulator - Duct SizingDuctulator - Duct Sizing$3.994.7★ (317)NoNoSep 2026
3Quietflex DuctulatorQuietflex DuctulatorFree5.0★ (1)NoNoMay 2026
4DigiductDigiductFree4.6★ (11)YesNoJul 2026
5AI DuctulatorAI Ductulator$3.993.9★ (9)NoNoSep 2026
6DuctCalc.CaDuctCalc.CaFree1.9★ (20)NoYesMay 2026
7HVAC Duct Size CalculatorHVAC Duct Size Calculator$0.995.0★ (1)NoNoAug 2026
8SMACNA Duct-U-LatorSMACNA Duct-U-LatorFree5.0★ (1)NoNoMay 2026

Top Picks for Ductulator App Alternative

Ductulator - Duct Sizing#2

Ductulator - Duct Sizing by Wassim Murr

HVAC Duct Design Calculator
Strong Contender
📊 Productivity
4.7(317 ratings)
$3.99
#45in Productivity
Ductulator - Duct Sizing screenshot 1
Ductulator - Duct Sizing screenshot 2
Ductulator - Duct Sizing screenshot 3
Ductulator - Duct Sizing screenshot 4

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.

More Ductulator App Alternative apps to explore

FAQ about Ductulator App Alternative

What is the best ductulator app alternative for iPhone?
WinFab - Sheet Metal Ductulator tops our ductulator app alternative ranking as of July 2026, with a 4.8-star average from 6 App Store ratings, and it's priced at $3.99.
Yes — 13 of the top ductulator app alternative we rank are free to download, including Quietflex Ductulator and Digiduct.
WinFab - Sheet Metal Ductulator has no ads and has no in-app purchases, according to its App Store listing as of July 2026.
WinFab is a duct sizing calculator designed to help professionals determine the correct dimensions for sheet metal ductwork in HVAC systems. It assists in calculating airflow and pressure drop.
WinFab is a paid application, priced at $3.99. There are no in-app purchases or subscriptions required.