Best apps like Digiduct

10+ similar apps compared and reviewed

4.5 avg rating
9 free apps
Updated September 2026

Digiduct 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 Digiduct

Ductulator - Duct Calculator#1

Ductulator - Duct Calculator by Mikhail Nikitin

HVAC Airflow Sizing & Design
Editor's Choice
🔧 Utilities
4.6(32 ratings)
FreeIn-App Purchases
Ductulator - Duct Calculator screenshot 1
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Ductulator - Duct Calculator screenshot 3
Ductulator - Duct Calculator screenshot 4
Ductulator - Duct Calculator screenshot 5
Ductulator - Duct Calculator 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.

Allday HVAC Calc#3

Allday HVAC Calc by Dmitrii Pankov

Pipe and Duct calculations
Worth Considering
🔧 Utilities
5.0(1 ratings)
FreeIn-App Purchases
Allday HVAC Calc screenshot 1
Allday HVAC Calc screenshot 2
Allday HVAC Calc screenshot 3
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Allday HVAC Calc screenshot 5
Allday HVAC Calc screenshot 6

This app offers three specialized modules for HVAC engineers: a psychrometric calculator for air properties, a pipe calculator for fluid dynamics and selection, and a duct calculator for air speed and pressure loss. It provides detailed calculations and reference formulas in both SI and IP units.

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HVAC & Sheet Metal Calculator
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This app provides advanced calculations for HVAC and sheet metal professionals. It simplifies complex dimensional math, geometry, and trigonometry with specialized functions for ducting, airflow, and construction layouts. Offers a free trial before committing to a subscription.

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Duct Calculator Elite
Duct Calculator Elite
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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.

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Flat Pattern Bend Calculator
Flat Pattern Bend Calculator
Flat Pattern Bend Calculator
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This app provides accurate flat pattern layouts for complex sheet metal shapes and transitions. It simplifies calculations for cones, frustums, cylinders, and various transition pieces, saving time and reducing errors in fabrication projects.

Cone calculationsFrustum calculationsTruncated cylinder layouts
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DuctPro
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HVAC Load Calculator Manual J
HVAC Load Calculator Manual J
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This app provides professional HVAC load calculations for contractors, offering three levels of accuracy from quick estimates to detailed Manual J calculations. It's designed for field use with an intuitive interface, offline capabilities, and professional report generation.

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HVACsim
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This app offers interactive learning and real-world data analysis to help HVAC professionals diagnose and troubleshoot systems. It provides personalized training plans, skill assessments, and team management tools for contractors.

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