244+ iOS apps curated and reviewed
With an average user rating of 3.7★, the duct calculator pro category is one of the App Store's strongest. Browse all 244+ apps we track, sorted so the most loved ones surface first.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | $3.99 | 1.0★ (1) | No | No | Aug 2026 |
| 2 |  | $19.99 | 4.5★ (188) | No | No | Aug 2026 |
| 3 |  | Free | — | No | No | Jun 2026 |
| 4 |  | Free | 4.6★ (32) | No | Yes | Aug 2026 |
| 5 |  | Free | — | No | Yes | Jul 2026 |
| 6 |  | Free | — | No | Yes | Jun 2026 |
| 7 |  | Free | 1.9★ (20) | No | Yes | May 2026 |
| 8 |  | Free | 2.0★ (1) | No | No | May 2026 |
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
