Best Tool To Determine Superheat Subcool Temperatures Apps

198+ iOS apps curated and reviewed

3.7 avg rating
19 free apps
Updated June 2026

Out of 198+ tool to determine superheat subcool temperatures apps on iOS, 19 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Top Picks for Tool To Determine Superheat Subcool Temperatures

HVACR Check & Charge#1

HVACR Check & Charge by Copeland LP

PT Charts Superheat Subcooling
Editor's Choice
🔍 Reference
4.8😊(16K ratings)
Free
HVACR Check & Charge screenshot 1
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HVACR Check & Charge screenshot 3
HVACR Check & Charge screenshot 4
HVACR Check & Charge screenshot 5
HVACR Check & Charge screenshot 6

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.

What We Love

  • 🚀 Convenient
  • 🚀 Great program
  • 🚀 Reliable app
  • 🚀 Easy and quick charging reference

Room to Improve

  • 🐛 Pressure settings not helpful
  • 🔒 Concerning privacy policy
  • 🐛 Restricted temperature range
testo Smart#2

testo Smart by Testo SE & Co. KGaA

Fast and reliable measurements
Strong Contender
📊 Productivity
2.7😞(158 ratings)
FreeAdsIn-App Purchases
testo Smart screenshot 1
testo Smart screenshot 2
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testo Smart screenshot 4
testo Smart screenshot 5
testo Smart screenshot 6

This app supports measurements for refrigeration, HVAC, and heating systems. It also aids in food safety, frying oil quality, and indoor climate monitoring. Quickly interpret data, create digital reports with photos, and send them via email.

What We Love

  • 👍 Good app with some features
  • 🚀 Great product
  • 🚀 Useful app for measurements

Room to Improve

  • 🐛 App won't connect
  • 🐛 Connectivity issues
  • 🐛 Unreliable connection
SMART Service Tool#3

SMART Service Tool by Rodrigo Miranda

Worth Considering
💼 Business
4.0(15 ratings)
Free
SMART Service Tool screenshot 1

This tool helps HVACR technicians quickly convert pressure to temperature and calculate superheat/subcooling using refrigerant data. It offers selectable units, customizable displays, and the ability to record and email data.

More Tool To Determine Superheat Subcool Temperatures apps to explore

4
Fieldpiece Job Link
Fieldpiece Job Link
Fieldpiece Job Link
by Fieldpiece Instruments, Inc
Free

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.

Wireless tool connectivitySystem troubleshootingDiagnostic capabilities
💼 Business
(490)
free
5
OSHA-NIOSH Heat Safety Tool
OSHA-NIOSH Heat Safety Tool
OSHA-NIOSH Heat Safety Tool
by Centers for Disease Control and Prevention
Free

This tool helps outdoor workers stay safe by providing real-time heat index information and hourly forecasts specific to their location. It offers occupational safety recommendations and details on heat-related illnesses and their first aid.

Real-time heat index and risk levelsHourly heat index forecastOccupational safety recommendations
☀️ Weather
(292)
free
6
Chemours PT Calc
Chemours PT Calc
Chemours PT Calc
by The Chemours Company
Free

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.

Pressure-temperature calculationsSuperheat and subcooling calculationSupports HFO, HFC, and HCFC refrigerants
🔍 Reference
(13)
free
7
YJACK VIEW
YJACK VIEW
YJACK VIEW
YJACK VIEW app for iOS
Free

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.

Live data monitoringCustomizable PDF service reportsEnhanced datalogging
📊 Productivity
(18)
free
8
Temperature Converter
Temperature Converter
Temperature Converter
Celsius Fahrenheit Kelvin
Free

Easily convert temperatures between Celsius, Fahrenheit, and Kelvin with a clean and intuitive interface. This utility app offers quick and accurate conversions for everyday use. Ads are present but can be removed via a one-time purchase.

Celsius conversionFahrenheit conversionKelvin conversion
🔧 Utilities
(6.3K)
free with in-app purchases
9
ManTooth
ManTooth
ManTooth
by YELLOW JACKET
Free

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.

Live Bluetooth readingsSystem analysis (superheat, subcooling)Vacuum session with hold test
📊 Productivity
(13)
free
10
Range cooking thermometer
Range cooking thermometer
Range cooking thermometer
Remote temperature monitoring
Free

Monitor cooking temperatures remotely from your iOS device. Get live readings, set custom alerts for various foods, and track temperature graphs for repeatable results. Ideal for grilling, baking, candy making, and homebrewing.

Real-time temperature readingsRemote alerts to iOS devicesTemperature guides for meat, candy, beer
🍔 Food & Drink
(11)
free
11
Thermometer-Room&Indoor Track
Thermometer-Room&Indoor Track
Thermometer-Room&Indoor Track
Smart Indoor & Outdoor Temps
Free

Monitor indoor and outdoor temperatures in real time with detailed historical data and trend charts. Track temperatures from multiple locations simultaneously and access basic environmental data and converters.

Real-time temperature trackingHistorical data and trend chartsMulti-location monitoring
🔧 Utilities
(255)
free with in-app purchases
12
Magnetic Tool
Magnetic Tool
Magnetic Tool
Test AC & DC Solenoid Coils
Free

This app helps technicians quickly test AC and DC solenoid coils. It uses your smartphone's sensors to detect magnetic fields, indicating if a coil is functioning correctly. Offers simple and advanced modes for easy or precise testing.

Solenoid coil testingMagnetic field detectionAudio and haptic feedback
💼 Business
(18)
free
13
Refrigeration Toolkit
Refrigeration Toolkit
Refrigeration Toolkit
By Heatcraft Refrigeration…
Free

This tool helps users build and model bug fixes. It is designed for professionals in the refrigeration industry to streamline their maintenance and repair processes.

Build modelsModel bug fixesStreamline processes
💼 Business
(69)
free
14
Refrigerant Charge Calculator
Refrigerant Charge Calculator
Refrigerant Charge Calculator
HVACR Check PT Chart Superheat
Free
🔧 Utilities
(0)
15
Superheat & Subcool Calc
Superheat & Subcool Calc
Superheat & Subcool Calc
10 Refrigerants Diagnostics
$0.99
🔧 Utilities
(0)
16
tempConvert
tempConvert
tempConvert
Fahrenheit & Celsius Converter
Free

Quickly convert temperatures between Fahrenheit and Celsius with instant results. This ad-free utility works offline, offering animated visuals and contextual labels for easy understanding. It supports negative temperatures and includes reference points for common scenarios.

Instant temperature conversionFahrenheit to Celsius and vice versaOffline functionality
🔧 Utilities
(0)
free
17
Temperature Converter °C °F K
Temperature Converter °C °F K
Temperature Converter °C °F K
Celsius Fahrenheit Kelvin R Re
Free

This utility app offers a straightforward way to convert between multiple temperature units simultaneously. It features a dedicated numeric keyboard with support for negative numbers and decimals, ensuring quick and accurate conversions for various scientific and travel needs.

Simultaneous multi-unit conversionDedicated numeric keyboardSupports negative numbers and decimals
🔧 Utilities
(4)
free
18
Easy Temperature Converter Free
Easy Temperature Converter Free
Easy Temperature Converter Free
by MaoWare Corporation
Free

Effortlessly convert temperatures between various scales. Select your starting unit, input the temperature, and get instant results. Supports common and scientific units for comprehensive conversion needs.

Multiple temperature unit supportCelsius, Fahrenheit, KelvinScientific units (Delisle, Newton, etc.)
🔧 Utilities
(93)
free with in-app purchases
19
Honeywell PT Chart
Honeywell PT Chart
Honeywell PT Chart
by Honeywell International, Inc.
Free

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.

Digital PT chart replacementRefrigerant selectionField data access
🔍 Reference
(18)
free
20
TopInfrared
TopInfrared
TopInfrared
Thermal camera for iOS devices
Free

This thermal imaging camera app provides high-resolution thermal images for precise temperature detection. It's ideal for inspecting insulation, examining electronics, and identifying heat loss with excellent accuracy and sensitivity.

High-resolution thermal imaging (256x192)Precise temperature detectionInsulation inspection
🔧 Utilities
(42)
free with in-app purchases