246+ iOS apps curated and reviewed
Looking for free basecalc hvac calculator apps? 18 of our 246+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 5.0★ (1) | No | Yes | Sep 2026 | |
| 2 |  | Free | 4.8★ (17K) | No | No | Oct 2026 | |
| 3 |  | Free | 4.6★ (33) | No | Yes | Oct 2026 | |
| 4 |  | Free | 5.0★ (2) | No | Yes | Jul 2026 | |
| 5 |  | Free | — | — | No | Sep 2026 | |
| 6 |  | Free | 4.7★ (1.6K) | No | No | Oct 2026 | |
| 7 |  | Free | 4.2★ (185) | No | No | Oct 2026 | |
| 8 |  | Free | 4.9★ (81) | No | Yes | Oct 2026 |
This professional tool offers 18 HVAC calculators for field use, including BTU, CFM, duct sizing, and psychrometrics. It saves calculation history, job records, and allows PDF export of worksheets. The app works offline and features a high-contrast interface for job sites.
This app provides an instant mobile refrigerant charge calculator for HVACR applications. It supports various refrigerants and allows users to calculate the correct system charge based on superheat, subcooling, or airflow, along with environmental conditions.
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.
