Best Ductwork Apps

237+ iOS apps curated and reviewed

4.1 avg rating
15 free apps
Updated September 2026

With an average user rating of 4.1★, the ductwork category is one of the App Store's strongest. Browse all 237+ apps we track, sorted so the most loved ones surface first.

Compare top Ductwork Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1FieldFabFieldFabFree4.4★ (65)NoNoJul 2026
2SM OffsetSM OffsetFreeYesNoAug 2026
3Triple J DuctworkTriple J DuctworkFree5.0★ (2)NoNoJul 2026
4Ductulator - Duct CalculatorDuctulator - Duct CalculatorFree4.6★ (32)NoYesSep 2026
5SMACNA Duct-U-LatorSMACNA Duct-U-LatorFree5.0★ (1)NoNoMay 2026
6SuperCool Slide Rule HVACSuperCool Slide Rule HVACFree4.2★ (185)NoNoAug 2026
7DigiductDigiductFree4.6★ (11)YesNoJul 2026
8Spiralite Duct SizerSpiralite Duct SizerFreeNoNoMay 2026

Top Picks for Ductwork

FieldFab#1

FieldFab by Robert Sale

CAD for the HVAC installer
Editor's Choice
🎨 Graphics & Design
4.4(65 ratings)
Free
FieldFab screenshot 1
FieldFab screenshot 2
FieldFab screenshot 3
FieldFab screenshot 4
FieldFab screenshot 5

This app helps HVAC installers create precise ductwork transitions in the field using augmented reality. It streamlines the process of measuring, designing, and visualizing complex ductwork before cutting any materials, saving time and reducing errors.

More Ductwork apps to explore

FAQ about Ductwork

What are the best ductwork apps for iPhone?
FieldFab tops our ductwork apps ranking as of September 2026, with a 4.4-star average from 65 App Store ratings, and it's free to download.
Yes — 15 of the top ductwork apps we rank are free to download, including FieldFab and SM Offset.
FieldFab has no ads and has no in-app purchases, according to its App Store listing as of September 2026.
We track 237+ ductwork apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
FieldFab is an augmented reality CAD application designed specifically for HVAC installers. It helps them create precise ductwork transitions in the field, streamlining the design and fabrication process.
FieldFab utilizes your iPhone or iPad's camera to let you view your designed ductwork transitions in augmented reality before cutting any sheet metal. This allows for accurate visualization and placement in the actual installation environment.

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