249+ iOS apps curated and reviewed
The best pt chart apps on iPhone average 3.7★ across 249+ titles — we've ranked them by what real users actually keep on their phones. Updated August 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.8★ (17K) | No | No | Aug 2026 |
| 2 |  | Free | 2.1★ (18) | No | No | May 2026 |
| 3 |  | Free | 4.8★ (52) | No | No | Aug 2026 |
| 4 |  | Free | 4.0★ (8) | No | Yes | Aug 2026 |
| 5 |  | Free | 3.9★ (52) | No | No | Aug 2026 |
| 6 |  | Free | — | No | Yes | Aug 2026 |
| 7 |  | Free | 3.3★ (7) | No | No | Aug 2026 |
| 8 |  | Free | 3.7★ (3) | No | No | May 2026 |
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 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 tool simplifies HVAC/R technician tasks by calculating pressure/temperature relationships, superheat, and subcool. It automatically adjusts for altitude and offers English/Metric units. Easily access favorite refrigerants and supplementary information.
This tool provides HVAC technicians with instant access to pressure and temperature data for over 100 refrigerants. It allows users to input one value to find the other, view detailed refrigerant properties, and email comprehensive charts and data.
This app provides HVACR technicians with essential tools and information for field service. It includes refrigerant calculators, troubleshooting guides, product finders, and access to spare parts. Listen to educational podcasts to enhance your knowledge on the go.
This app offers on-the-go pressure and temperature conversions for refrigerants. Easily find saturated pressure based on temperature or saturated temperature based on pressure. It's a free tool for iPhone and iPad.
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 HVACR professionals with essential tools for refrigerant management. It offers electronic PT charts, subcooling and superheat calculations, and detailed information on refrigerants. Users can also validate product authenticity and access educational videos.
This app connects wirelessly with compatible HVACR tools to help professionals troubleshoot, diagnose, and evaluate HVACR systems. It serves as a central hub for managing wireless tools and business solutions, linking your equipment to your jobs.
