247+ iOS apps curated and reviewed
Honeywell PT Chart is the household name in honeywell pt chart, but it's far from the only option. We track 247+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 2.1★ (18) | No | No | May 2026 | |
| 2 |  | Free | 3.7★ (3) | No | No | May 2026 | |
| 3 |  | Free | 4.8★ (17K) | No | No | Sep 2026 | |
| 4 |  | Free | 4.8★ (52) | No | No | Aug 2026 | |
| 5 |  | Free | 4.6★ (571K) | No | No | Sep 2026 | |
| 6 |  | Free | 3.0★ (3) | No | No | May 2026 | |
| 7 |  | Free | — | No | No | May 2026 | |
| 8 |  | Free | 4.6★ (711K) | No | No | Sep 2026 |
This app provides HVAC mechanics with a digital pressure-temperature chart. Select refrigerants to access necessary data and quickly calculate superheat and subcool averages for field tasks.
This reference tool provides HVAC mechanics with a digital pressure-temperature (PT) chart. Users can select refrigerants to access necessary data and quickly calculate superheat and subcool averages directly from their iPhone or iPad.
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.
