Best Refrigerant Calculator App

250+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated August 2026

If you already know HVACR Check & Charge, this is the deeper bench. 250+ refrigerant calculator app for iPhone, all reviewed and ranked by user rating, recency, and download trend as of August 2026.

Compare top Refrigerant Calculator App (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1HVACR Check & ChargeHVACR Check & ChargeFree4.8โ˜… (17K)NoNoSep 2026
2Refrigerant CalculatorRefrigerant CalculatorFree4.0โ˜… (3)NoNoMay 2026
3Chemours PT CalcChemours PT CalcFree4.6โ˜… (13)NoNoMay 2026
4P-T CalculatorP-T CalculatorFree4.8โ˜… (52)NoNoAug 2026
5Ref ToolsRef ToolsFree3.9โ˜… (52)NoNoSep 2026
6Refrigerant Charge CalculatorRefrigerant Charge CalculatorFree4.4โ˜… (10)NoYesSep 2026
7HVAC PT ChartHVAC PT ChartFree4.0โ˜… (8)NoYesAug 2026
8SuperCool Slide Rule HVACSuperCool Slide Rule HVACFree4.2โ˜… (185)NoNoAug 2026

Top Picks for Refrigerant Calculator App

HVACR Check & Charge#1

HVACR Check & Charge by Copeland LP

PT Charts Superheat Subcooling
Editor's Choice
๐Ÿ” Reference
4.8๐Ÿ˜Š(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

  • ๐Ÿš€ Convenient
  • ๐Ÿš€ Great program
  • ๐Ÿš€ Reliable app
  • ๐Ÿš€ Easy and quick charging reference
  • ๐Ÿš€ Helps take away doubt when making a case
  • ๐Ÿš€ Quickly analyzes conditions and factors
  • ๐Ÿš€ Awesome Freon charging app
  • ๐Ÿš€ Revolutionary app
  • ๐Ÿš€ Very handy and easy to use
  • ๐Ÿš€ Best helper ever
  • ๐Ÿš€ Makes charging systems super easy
  • ๐Ÿš€ Very good for superheat calculation
  • ๐Ÿš€ Great reference
  • ๐Ÿš€ Most accurate charge for R410A and R22
  • ๐Ÿš€ Easy to use

Room to Improve

  • ๐Ÿ› Pressure settings not helpful
  • ๐Ÿ”’ Concerning privacy policy
  • ๐Ÿ› Restricted temperature range
  • ๐Ÿ› Crashes and bugs
  • ๐Ÿ› Doesn't work on Apple Watch
4.6(13 ratings)
Free
Chemours PT Calc screenshot 1
Chemours PT Calc screenshot 2
Chemours PT Calc screenshot 3
Chemours PT Calc screenshot 4

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.

More Refrigerant Calculator App apps to explore

FAQ about Refrigerant Calculator App

What is the best refrigerant calculator app for iPhone?
HVACR Check & Charge tops our refrigerant calculator app ranking as of August 2026, with a 4.8-star average from 17K App Store ratings, and it's free to download.
Yes โ€” 20 of the top refrigerant calculator app we rank are free to download, including HVACR Check & Charge and Refrigerant Calculator.
HVACR Check & Charge has no ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 250+ refrigerant calculator app on the iOS App Store as of August 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.