233+ iOS apps curated and reviewed
HVACR Check & Charge is the household name in pressure temperature chart, but it's far from the only option. We track 233+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.8★ (17K) | No | No | Jul 2026 |
| 2 |  | Free | 4.0★ (8) | No | Yes | May 2026 |
| 3 |  | Free | 4.8★ (51) | No | No | Jul 2026 |
| 4 |  | Free | 3.8★ (47) | No | No | Jul 2026 |
| 5 |  | Free | 3.3★ (7) | No | No | May 2026 |
| 6 |  | Free | 4.5★ (58K) | Yes | Yes | Jul 2026 |
| 7 |  | Free | 2.1★ (18) | No | No | May 2026 |
| 8 |  | Free | 4.5★ (2.3K) | No | Yes | Jul 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 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 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 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.
Log, monitor, and analyze blood pressure and heart measurements. Automatically calculate BMI, pulse pressure, and mean arterial pressure. Share reports with healthcare providers and track progress with clear graphs and statistics.
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.
Easily track blood pressure and heart rate with this app. It offers manual logging, camera scanning of monitors, smart reminders, and detailed charts. Manage multiple family members' health data and generate PDF reports for doctor visits.
This tool quickly determines refrigerant data, including properties, safety groups, GWP, and ODP. It offers intuitive temperature-to-pressure conversion and supports both metric and imperial units. Access detailed information and links to online resources for over 100 refrigerants.
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.
Monitor and analyze your heart rate, blood pressure, stress, and oxygen levels. Track trends, gain insights into your wellbeing, and export your data. Receive daily reminders to stay consistent with your health monitoring.
Measure atmospheric pressure, altitude, and current weather conditions using your device's sensors and GPS. Get real-time data on temperature, wind speed, and humidity, with automatic calibration for accuracy. Useful for health, outdoor activities, and weather prediction.
This app displays live HVAC/R pressure, temperature, and vacuum readings from compatible hardware. It offers system analysis, data logging, and sharing capabilities for various applications.
Get comprehensive, up-to-date weather information for Switzerland. Receive forecasts, current measurements, and natural hazard warnings with customizable push notifications. Stay informed with weather animations, detailed reports, and a dedicated blog.
This app provides a comprehensive HVAC/R diagnostic solution by integrating with specialized hardware. It allows users to view live data, create and share service reports, and perform detailed system analysis for pressure, temperature, evacuation, and more.
Track and analyze your blood pressure with this app. It uses color-coded icons and interactive graphs to show trends and statistical analysis. Sync data across your iOS devices and integrate with Apple Health.
Track and analyze vital health metrics including blood pressure, heart rate, blood sugar, and oxygen saturation. Gain insights through intelligent analysis, clear charts, and practical health tips. Export your data to share with healthcare professionals.
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 mobile application provides HVACR service technicians with accurate refrigerant data on the go. It allows for quick system diagnostics and response by calculating pressure-temperature relationships, superheat, and subcooling. Supports various refrigerants, including newer HFOs and older HFCs/HCFCs.
Easily manage your blood pressure, weight, temperature, and other health readings in one place. Track vital signs, correlate with medications, visualize trends with charts, and export data for your healthcare provider.