40+ iOS apps curated and reviewed
AI Ductulator is the household name in d2f ductulator, but it's far from the only option. We track 40+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | $3.99 | 3.9★ (9) | No | No | Jul 2026 |
| 2 |  | Free | 5.0★ (1) | No | No | May 2026 |
| 3 |  | $3.99 | 4.8★ (6) | No | No | Jul 2026 |
| 4 |  | $3.99 | 4.7★ (272) | No | No | Jul 2026 |
| 5 |  | Free | 5.0★ (1) | No | No | May 2026 |
| 6 |  | Free | — | No | No | May 2026 |
| 7 |  | Free | 1.9★ (20) | No | Yes | May 2026 |
| 8 |  | $0.99 | 5.0★ (1) | No | No | Jul 2026 |
This application serves as a duct sizing calculator for HVAC professionals and enthusiasts. It provides quick and accurate calculations for duct dimensions based on various parameters.
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.
This app calculates the correct dimensions for sheet metal ductwork. It simplifies the process of determining airflow and pressure drop for HVAC systems. Essential for professionals in the sheet metal and HVAC industries.
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 helps HVAC professionals and enthusiasts quickly calculate essential airflow metrics for various duct sizes. It provides CFM, FPM, and FL values, simplifying HVAC system design and analysis.
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 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 offers a comprehensive suite of tools for HVAC technicians. It provides interactive guides, step-by-step repair instructions, and calculators for various HVAC calculations including superheat, subcooling, and duct sizing.
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 app provides a simple and efficient tool for calculating the dimensions of square ventilation ducts. It's designed for engineers, architects, and contractors to generate data for mechanical ventilation, cooling, and HVAC projects. Quickly validate residential and commercial solutions with this easy-to-use calculator.
This app provides HVAC professionals with essential tools and product information to streamline their work. Access pricing, order status, real-time availability, and technical support. It also includes inventory management, warranty services, and helpful calculators.
This app provides HVAC/R professionals with on-the-go access to product information and essential tools. It features real-time order tracking, a duct calculator, warranty verification, and branch location details. Users can also search for parts, view technical documents, and receive special offer notifications.
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.
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 mobile application simplifies duct size calculations for various needs. It offers a straightforward way to determine the correct dimensions for your ductwork, ensuring efficient airflow and system performance.
This utility app provides two essential tools for HVAC professionals: a Fan Law Calculator to adjust fan performance based on changes in speed, and a Ductulator to quickly size ductwork. Easily calculate and determine duct dimensions and airflow with various input parameters.
This app provides quick and simple HVAC duct sizing analysis. It allows users to calculate duct dimensions based on airflow or existing dimensions, and can also determine a range of duct sizes. Results can be emailed for further analysis.
This app provides HVAC professionals with quick access to product information, tools, and support. It allows users to check pricing, availability, find locations, and manage warranty claims. Features include a PT calculator, duct calculators, and a flashlight tool for on-site work.