An interactive tool for HVAC engineers to create and manipulate psychrometric charts. Model various air processes, add and adjust state points with live property updates, and save multiple charts. Export your designs as PDFs or via AirPrint.


248+ iOS apps curated and reviewed
The best flycarpet psychrometric chart apps on iPhone average 4.2★ across 248+ titles — we've ranked them by what real users actually keep on their phones. Updated October 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | $59.99 | 4.4★ (35) | No | No | Oct 2026 | ||
| 2 | $1.99 | — | No | No | Oct 2026 | ||
| 3 | Free | — | No | No | May 2026 | ||
| 4 | $6.99 | 3.0★ (2) | No | Yes | Oct 2026 | ||
| 5 | Free | 4.8★ (6) | No | No | Oct 2026 | ||
| 6 | $4.99 | — | No | No | Oct 2026 | ||
| 7 | Free | 3.7★ (9) | No | No | Oct 2026 | ||
| 8 | Free | 2.1★ (19) | No | No | Oct 2026 |


An interactive tool for HVAC engineers to create and manipulate psychrometric charts. Model various air processes, add and adjust state points with live property updates, and save multiple charts. Export your designs as PDFs or via AirPrint.



This app calculates and displays thermodynamic properties of moist air mixtures. It supports both SI and imperial units, allowing users to find values like dry-bulb temperature, relative humidity, and enthalpy by interacting with a chart. It also computes thermal comfort parameters.

