248+ iOS apps curated and reviewed
Whether you're new to duct calculator or looking for an upgrade, our curated collection of 248+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.6★ (32) | No | Yes | Sep 2026 | |
| 2 |  | Free | 4.7★ (3) | No | Yes | Sep 2026 | |
| 3 |  | Free | 5.0★ (1) | No | No | May 2026 | |
| 4 |  | Free | 4.6★ (11) | Yes | No | Jul 2026 | |
| 5 |  | $19.99 | 4.5★ (189) | No | No | Sep 2026 | |
| 6 |  | Free | — | No | Yes | Sep 2026 | |
| 7 |  | $3.99 | 4.8★ (6) | No | No | Aug 2026 | |
| 8 |  | $3.99 | 4.7★ (317) | No | No | Sep 2026 |
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 professional HVAC utility assists engineers and technicians with precise duct sizing and airflow calculations for ventilation systems. It simplifies essential calculations for both design and installation work, improving on-site efficiency.
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.
