Best SM Offset alternatives: apps like SM Offset: Duct Calculator

10+ similar apps compared and reviewed

4.7 avg rating

9 free apps

Updated October 2026

SM Offset: Duct Calculator

Bradley Evans

📊 Productivity

SM Offset 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 SM Offset

#1

FitterMaster: Pipe Fitter Calc by Grima Hdez

Offsets, Flange Bolts, Miters

Editor's Choice

5.0(4 ratings)

FreeAdsIn-App Purchases

FitterMaster: Pipe Fitter Calc screenshot 1

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FitterMaster: Pipe Fitter Calc screenshot 4

This app provides essential calculations for pipe fitting, including rolling offsets, fitting takeouts, and flange bolt-up details. It works entirely offline and offers a free version with core features, with a one-time purchase unlocking advanced functionalities.

#2

Transitions Layouts by Sachinbhai Surani

Fabrication Layout Calculator

Strong Contender

5.0(1 ratings)

FreeIn-App Purchases

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Transitions Layouts screenshot 4

Transitions Layouts screenshot 5

This utility app generates precise layouts for various transition shapes used in fabrication and HVAC. It simplifies complex calculations for square-to-round, rectangular-to-round, and pyramid designs, reducing manual drafting and improving accuracy.

#3

FabCalc: Flat Pattern DXF by Double Vision USA LLC

Sheet Metal Layout & Unfold

Worth Considering

0.0(0 ratings)

FreeIn-App Purchases

FabCalc: Flat Pattern DXF screenshot 1

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More apps like SM Offset

Sheet Metal Calculator Pro

Sheet Metal Calculator Pro

Sheet Metal Calculator Pro

Smart Metal Fabrication Tool

This tool simplifies metal fabrication calculations for professionals and students. Quickly determine dimensions and values for various sheet metal parts, saving time and improving accuracy. Results can be easily viewed, saved, and shared.

Calculate various sheet metal componentsEnter custom values for instant resultsView, save, and share calculations

free with in-app purchases

Compare with SM Offset

HVAC Calculator: BTU & AC Load

HVAC Calculator: BTU & AC Load

HVAC Calculator: BTU & AC Load

by Coffee Room SIA

Compare with SM Offset

Duct Calculator Elite

Duct Calculator Elite

Duct Calculator Elite

HVAC Ductulator & Duct Sizing

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.

Calculate duct size, velocity, pressure drop, flow rateDuct Size by Airflow modeDuct Size by Dimension mode

Compare with SM Offset

WelderCalc: Welding Calculator

WelderCalc: Welding Calculator

WelderCalc: Welding Calculator

Welding Amps · TIG MIG Stick

Compare with SM Offset

Spy Device Monitor - SafeRoom

Spy Device Monitor - SafeRoom

Spy Device Monitor - SafeRoom

Listening & Tracking Detector

Scan your surroundings for hidden devices using Wi-Fi, Bluetooth, and infrared. Identify unfamiliar connections and potential intrusions in temporary spaces for enhanced personal security. Offers a user-friendly interface with saved scan history and helpful tips.

Wi-Fi and Bluetooth scanningInfrared inspection modeIP address tracking

free with in-app purchases

Compare with SM Offset

FlowLine Isometric

FlowLine Isometric

FlowLine Isometric

Fast Isometric Designer

A professional tool for creating isometric piping diagrams. It allows pipefitters, plumbers, engineers, and contractors to quickly sketch and document pipe runs with a snap grid for precise isometric projection.

Isometric projection drawingSnap grid for precise linesQuick sketching and documentation

Compare with SM Offset

易事特云平台

Compare with SM Offset