1. Home
  2. Topics
  3. Checking Charge

Best Checking Charge Apps

249+ iOS apps curated and reviewed

3.0 avg rating
19 free apps
Updated October 2026

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

Compare top Checking Charge Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1HVACR Check & ChargeHVACR Check & ChargeFree4.8โ˜… (17K)NoNoOct 2026
2ProUser Check & Charge 2.0ProUser Check & Charge 2.0Freeโ€”NoNoMay 2026
3Smart Charge HKSmart Charge HKFreeโ€”NoNoJul 2026
4HVAC Charge CheckHVAC Charge Check$2.99โ€”NoNoSep 2026
5WattCheck: Cable TesterWattCheck: Cable TesterFree1.0โ˜… (1)NoYesOct 2026
6Charge SpyCharge SpyFreeโ€”NoNoSep 2026
7Megalan ChargeMegalan ChargeFreeโ€”NoNoOct 2026
8Ovion-ChargeOvion-ChargeFreeโ€”NoNoMay 2026

Top Picks for Checking Charge

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

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 October 2026, with a 4.8-star average from 17K App Store ratings, and it's free to download.
Yes โ€” 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 October 2026.
We track 249+ checking charge apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.