247+ iOS apps curated and reviewed
Whether you're new to duct sizing or looking for an upgrade, our curated collection of 247+ 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 | 4.2★ (185) | No | No | Aug 2026 | |
| 3 |  | $3.99 | 4.7★ (317) | No | No | Sep 2026 | |
| 4 |  | Free | 5.0★ (1) | No | No | May 2026 | |
| 5 |  | Free | 4.7★ (3) | No | Yes | Sep 2026 | |
| 6 |  | Free | 4.6★ (11) | Yes | No | Jul 2026 | |
| 7 |  | Free | — | No | Yes | Jul 2026 | |
| 8 |  | Free | — | No | Yes | 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 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.
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.
