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.






37+ iOS apps curated and reviewed
Finding the right pt ductulator apps can be overwhelming with so many options. We've analyzed 37+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | — | No | No | May 2026 | ||
| 2 | Free | 5.0★ (1) | No | No | May 2026 | ||
| 3 | $3.99 | 4.8★ (6) | No | No | Aug 2026 | ||
| 4 | Free | — | No | Yes | Oct 2026 | ||
| 5 | Free | 4.6★ (33) | No | Yes | Oct 2026 | ||
| 6 | Free | 4.2★ (185) | No | No | Oct 2026 | ||
| 7 | Free | — | No | Yes | Aug 2026 | ||
| 8 | Free | — | No | Yes | Oct 2026 |








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 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.