249+ iOS apps curated and reviewed
Whether you're new to hvac duct calculator or looking for an upgrade, our curated collection of 249+ 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 | — | No | Yes | Jun 2026 | |
| 2 |  | Free | 4.6★ (32) | No | Yes | Sep 2026 | |
| 3 |  | $19.99 | 4.5★ (189) | No | No | Sep 2026 | |
| 4 |  | $3.99 | 1.0★ (1) | No | No | Aug 2026 | |
| 5 |  | $0.99 | 5.0★ (1) | No | No | Aug 2026 | |
| 6 |  | $4.99 was $5.99 | 3.1★ (9) | No | Yes | Sep 2026 | |
| 7 |  | Free | — | No | Yes | Sep 2026 | |
| 8 |  | Free | — | No | Yes | Jul 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 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.
