247+ iOS apps curated and reviewed
Whether you're new to duct calculator 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 | 4.5★ (34) | No | Yes | Oct 2026 | |
| 2 |  | Free | — | No | Yes | Oct 2026 | |
| 3 |  | Free | 4.7★ (3) | No | Yes | Oct 2026 | |
| 4 |  | Free | 5.0★ (1) | No | No | May 2026 | |
| 5 |  | $19.99 | 4.5★ (189) | No | No | Oct 2026 | |
| 6 |  | Free | — | No | Yes | Jun 2026 | |
| 7 |  | $3.99 | 4.7★ (353) | No | No | Oct 2026 | |
| 8 |  | Free | 4.6★ (11) | No | No | Oct 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.
