Best Checking Charge Apps

249+ iOS apps curated and reviewed

3.5 avg rating
19 free apps
Updated September 2026

From beginner-friendly picks to power-user tools, our checking charge list covers 249+ iPhone apps updated through September 2026. Compare ratings, prices, and screenshots in one place.

Compare top Checking Charge Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1HVACR Check & ChargeHVACR Check & ChargeFree4.8β˜… (17K)NoNoSep 2026
2HVAC Charge CheckHVAC Charge Check$2.99β€”NoNoAug 2026
3ProUser Check & Charge 2.0ProUser Check & Charge 2.0Freeβ€”NoNoMay 2026
4Autel ChargeAutel ChargeFree4.8β˜… (1.3K)NoNoSep 2026
5Check charge countCheck charge countFreeβ€”YesYesMay 2026
6Ampere: Battery Charge TestAmpere: Battery Charge TestFreeβ€”YesYesSep 2026
7Smart Charge HKSmart Charge HKFreeβ€”NoNoJul 2026
8Discover MobileDiscover MobileFree4.9β˜… (5.2M)NoNoSep 2026

Top Picks for Checking Charge

HVACR Check & Charge#1

HVACR Check & Charge by Copeland LP

PT Charts Superheat Subcooling
Editor's Choice
πŸ” 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

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

Room to Improve

  • πŸ› Pressure settings not helpful
  • πŸ”’ Concerning privacy policy
  • πŸ› Restricted temperature range
  • πŸ› Crashes and bugs
  • πŸ› Doesn't work on Apple Watch

More Checking Charge apps to explore

FAQ about Checking Charge

What are the best checking charge apps for iPhone?
HVACR Check & Charge tops our checking charge apps ranking as of September 2026, with a 4.8-star average from 17K App Store ratings, and it's free to download.
Yes β€” 19 of the top checking charge apps we rank are free to download, including HVACR Check & Charge and ProUser Check & Charge 2.0.
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+ checking charge 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.