Best Tool To Determine Superheat Subcool Temperatures Apps

249+ iOS apps curated and reviewed

3.9 avg rating
20 free apps
Updated September 2026

Out of 249+ tool to determine superheat subcool temperatures apps on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Tool To Determine Superheat Subcool Temperatures Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1HVACR Check & ChargeHVACR Check & ChargeFree4.8★ (17K)NoNoSep 2026
2SuperCool Slide Rule HVACSuperCool Slide Rule HVACFree4.2★ (185)NoNoAug 2026
3SuperHeatCalcSuperHeatCalcFree3.8★ (6)NoNoMay 2026
4P-T CalculatorP-T CalculatorFree4.8★ (52)NoNoAug 2026
5Superheat Subcooling PT ChartSuperheat Subcooling PT ChartFreeNoYesAug 2026
6Forane® Refrigerants Tool BeltForane® Refrigerants Tool BeltFree4.0★ (9)YesNoJul 2026
7HVAC MasteryHVAC MasteryFree5.0★ (1)NoNoJun 2026
8HVAC AI: Tools & SimulatorHVAC AI: Tools & SimulatorFreeNoYesAug 2026

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😊(17K ratings)
Free
HVACR Check & Charge screenshot 1
HVACR Check & Charge screenshot 2
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
  • 🚀 Helps take away doubt when making a case
  • 🚀 Quickly analyzes conditions and factors
  • 🚀 Awesome Freon charging app
  • 🚀 Revolutionary app
  • 🚀 Very handy and easy to use
  • 🚀 Best helper ever
  • 🚀 Makes charging systems super easy
  • 🚀 Very good for superheat calculation
  • 🚀 Great reference
  • 🚀 Most accurate charge for R410A and R22
  • 🚀 Easy to use

Room to Improve

  • 🐛 Pressure settings not helpful
  • 🔒 Concerning privacy policy
  • 🐛 Restricted temperature range
  • 🐛 Crashes and bugs
  • 🐛 Doesn't work on Apple Watch
4.2😐(185 ratings)
Free
SuperCool Slide Rule HVAC screenshot 1
SuperCool Slide Rule HVAC screenshot 2
SuperCool Slide Rule HVAC screenshot 3
SuperCool Slide Rule HVAC screenshot 4
SuperCool Slide Rule HVAC screenshot 5

This app offers a comprehensive suite of tools for HVAC technicians. It provides interactive guides, step-by-step repair instructions, and calculators for various HVAC calculations including superheat, subcooling, and duct sizing.

What We Love

  • 👍 Great HVAC tool
  • 👍 Informative slide rule
  • 👍 Helpful for new techs
  • 👍 Quick and simple
  • 👍 Easy to use
  • 👍 All in one app
  • 👍 Invaluable in the field
  • 👍 Pocket reference
  • 👍 Good for duct sizing
  • 👍 Helps customers understand issues

Room to Improve

  • 🐛 Trial period issues
  • 🐛 App expires frequently
  • 🐛 Requires re-download
  • 🐛 Not worth the trouble
  • 🐛 App messed up
  • 🐛 Scrambled charts
  • 🐛 Junk app
  • 🐛 Paid version still has issues
  • 🐛 Free not free
  • 🐛 No cost upfront
  • 🐛 No way to purchase
  • 🐛 Closes itself
  • 🐛 No portrait mode
  • 🐛 No friction rate selection
  • 🐛 No quick duct sizing
  • 🐛 Inaccurate altitude
  • 🐛 Room calc issues

More Tool To Determine Superheat Subcool Temperatures apps to explore

FAQ about Tool To Determine Superheat Subcool Temperatures

What are the best tool to determine superheat subcool temperatures apps for iPhone?
HVACR Check & Charge tops our tool to determine superheat subcool temperatures apps ranking as of September 2026, with a 4.8-star average from 17K App Store ratings, and it's free to download.
Yes — 20 of the top tool to determine superheat subcool temperatures apps we rank are free to download, including HVACR Check & Charge and SuperCool Slide Rule HVAC.
HVACR Check & Charge has no ads and has no in-app purchases, according to its App Store listing as of September 2026.
We track 249+ tool to determine superheat subcool temperatures apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
This app functions as an instant mobile refrigerant charge calculator specifically designed for HVACR applications. It helps contractors determine the correct system refrigerant charge for various air conditioning and refrigeration systems by considering operating conditions and environmental loads.
Key features include calculators for superheat (non-TXV), subcooling (TXV), and airflow. It also provides PT Charts (Pressure/Temperature) and can find a superheat target using psychometric calculations. The app supports a wide range of refrigerants and offers both Imperial and Metric units.