Comparison

Ref Tools vs SuperCool Slide Rule HVAC

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Ref Tools

This app provides HVACR technicians with essential tools and information for field service. It includes refrigerant calculators, troubleshooting guides, product finders, and access to spare parts. Listen to educational podcasts to enhance your knowledge on the go.

Highlights
  • Refrigerant Slider for P/T calculations
  • Solenoid valve coil testing tool
  • Refrigeration system troubleshooting guide
  • Product data finder
  • Spare parts ordering
  • Low-GWP refrigerant comparison
  • TXV Superheat optimization
  • Educational podcasts
Features
Read full description

Get the guidance, support, information, and tools you need—on the job and in the field. Ref Tools is a free, powerful app that contains essential tools every HVACR technician needs in their digital toolbelt. Ref Tools offers a collection of useful air conditioning and refrigeration tools: Refrigerant Slider As a featured part of Ref Tools, you get all the features and functionality that made Refrigerant Slider a hit with millions of installers around the world. Quickly calculate pressure/temperature ratios and find essential information on over 80 refrigerants. Magnetic Tool Test and troubleshoot solenoid valve coils quickly and easily. Troubleshooter Get help diagnosing issues in refrigeration systems, so you can quickly identify symptoms and find recommended solutions. Product Finder Find extensive product-related data in one place. Search by product code number or product category to access and share product specifications, documentation, visuals, and more. Spare Parts Access and order an extensive list of Danfoss spare parts and service kits for air conditioning and refrigeration applications. Low-GWP Tool Find and compare climate-friendly refrigerants for retrofitting by checking compatibility with the TXV. TXV Superheat Tuner Optimize superheat in less than 15 minutes. Using advanced algorithms, TXV Superheat Tuner provides valve-specific adjustment recommendations. Podcasts The workday can be full and the road long, so Ref Tools also provides you with some educational entertainment. You can listen to podcasts, including the popular Chilling with Jens podcast, directly in the app. So, take a break and chill out a bit while learning something new about refrigeration. More about Refrigerant Slider Refrigerant Slider, now a part of Ref Tools, helps you quickly calculate the pressure-to-temperature ratio for more than 80 refrigerants, including natural refrigerants such as ammonia and transcritical CO2. Refrigerant Slider also provides you with information about each refrigerant, including Global Warming Potential (GWP) and Ozone Depleting Potential (ODP). You can switch between the IPCC AR4 and AR5 values, where AR4 values are used in relation to the European F-Gas regulations. Refrigerant Slider’s P/T calculations use extended curve–fitting models based on Refprop 10 results. You can also see both dew and bubble point for refrigerants with glide. Streamline your workflow Ref Tools goes beyond just providing quick access to helpful tools; it helps you save time by allowing you to track your most visited service sites and save unique settings for each one. Simplify each service call with ease. Feedback Your input matters – we would love to hear it from you. We're committed to continuously improving Ref Tools to meet your needs. If you encounter a bug or have a feature suggestion, please use the in-app feedback function available in Settings. Alternatively, you can reach us via email at coolapp@danfoss.com. Danfoss Climate Solutions At Danfoss Climate Solutions, we engineer energy-efficient solutions to help the world get more out of less. Our innovative products and solutions enable a decarbonized, digital, and more sustainable tomorrow, and our technology supports a cost-efficient transition to renewable energy sources. With a strong foundation in quality, people, and the climate, we drive the energy, refrigerant, and food system transitions needed to achieve climate goals. Read more about us at www.danfoss.com. Terms and Conditions apply for use of the app.

About

SuperCool Slide Rule HVAC

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.

Highlights
  • Superheat & Subcooling charging
  • Duct sizing & layout calculator
  • Compressor windings troubleshooter
  • HVAC conversions
  • Capacitor calculations
  • Airflow troubleshooting
Features
Read full description

The SuperCool HVAC app provides comprehensive solutions to the most complex problems in the industry. The app provides the user with an interactive experience, possible solutions, on-screen instructions and guides the technician through each step of repair work. Included in the app is: Superheat & Subcooling charging of all the popular refrigerants on the market with on screen corrective action including “add refrigerant” or “remove refrigerant” based on the specific conditions entered Duct sizing & layout calculator for flex, round metal, rectangular and oval Compressor windings troubleshooter with “acceptable resistance” or “unacceptable resistance” Conversions for everything HVAC Capacitor series and parallel installation output values Airflow troubleshooting for both heating & cooling with acceptable airflow ranges and solutions if airflow is too high or too low Wet Bulb calculator Belt Sizing calculator And much, much more

Screenshots

Ref Tools4 screens
SuperCool Slide Rule HVAC4 screens

Verdict

The call

The clearest difference is rating: SuperCool Slide Rule HVAC at 4.2 against Ref Tools's 3.9. SuperCool Slide Rule HVAC also leads on review sentiment (66% vs 58%) and ratings volume (185 vs 52). On price, ads, in-app purchases and monetization model there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

SuperCool Slide Rule HVAC holds the better App Store score, 4.2 against 3.9. Both are backed by a comparable volume of ratings — 52 and 185 respectively. Written reviews point the same way: 58% of Ref Tools's written reviews are positive against 66% of SuperCool Slide Rule HVAC's.

Scorecard4 real differences · 6 level
Ref Tools versus SuperCool Slide Rule HVAC: the parameters behind the verdict, then further details
ParameterRef ToolsSuperCool Slide Rule HVAC
PriceFreeFree
Rating3.9 (52 ratings)4.2 (185 ratings) — better
Positive reviews57.6% of reviews66.1% of reviews — better
Number of ratings52185 — better
Update frequencyEvery 5 weeks—
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.09.0 — better
Further details — not scored
Size98 MB38 MB
Age rating4+4+
DeveloperDanfoss A/SDesignstein, llc

Customer experience

Ref Tools

All ratings52 ratings
Positive73.1%
Neutral3.8%
Negative23.1%
Written reviews66 reviews
Positive57.6%
Neutral7.6%
Negative34.8%

SuperCool Slide Rule HVAC

All ratings185 ratings
Positive79.5%
Neutral4.3%
Negative16.2%
Written reviews56 reviews
Positive66.1%
Neutral7.1%
Negative26.8%

User reviews

Ref Tools

From 52 App Store ratings

What we love

  • 👍 Useful tool for HVAC/R techs
  • 👍 Great idea for an app
  • 👍 Best refrigeration and hvac app
  • 👍 Useful App for HVACR
  • 👍 Brilliant app

Room to improve

  • 🐛 Crashes instantly on launch
  • 🐛 App won’t open on iPhone
  • 🐛 Flashes up and disappears
  • 🐛 Cannot open app
  • 🐛 Immediately shuts off

SuperCool Slide Rule HVAC

From 185 App Store ratings

What we love

  • 👍 Great HVAC tool
  • 👍 Informative slide rule
  • 👍 Helpful for new techs
  • 👍 Quick and simple
  • 👍 Easy to use

Room to improve

  • 🐛 Trial period issues
  • 🐛 App expires frequently
  • 🐛 Requires re-download
  • 🐛 Not worth the trouble
  • 🐛 App messed up

Bugs and requests

Ref Tools

Reported bugs

27 issues
  • CRASHED instantly on Mac Mini M4
  • App won’t open on iPhone
  • App flashes up and disappears
  • Cannot open app
  • Immediately shuts off since recent release
Show 22 more
  • Crash au lancement since update
  • Will not save to Home Screen
  • Incorrect PT Charting for r134a
  • Information doesn’t slide down
  • Crashes on iOS12.1.4
  • App won’t open since previous update
  • List of refrigerants shifted upwards on iPhone 10
  • Stuck on R134a, needs update for current iOS
  • R744A only goes to 60 psi
  • Scale did not go low enough for deep vacuum
  • Missing R22 on Apple version
  • Missing R717 (Ammonia)
  • Missing R-22
  • Missing R124a
  • No longer lists Ammonia
  • Missing Refrigerants since app update
  • Missing Ammonia and CO2
  • r410a is missing since update
  • Removed r22, 410a, and 407c
  • Refrigerants missing now
  • Removed slider for ammonia
  • Scale doesn't go into vacuum

Requested features

18 requests
  • More residential AC information
  • Troubleshooter for Residential & Commercial
  • Add SP22 refrigerant
  • Add R-11 refrigerant
  • Add R-123 range down to 40 degrees
Show 13 more
  • Add R744 and R744A to 0 psia
  • Scale to go lower for R-123 vacuum
  • Add R410a
  • Add R407c
  • Add R404A
  • Add R22
  • Add R124a
  • Add Ammonia
  • Add CO2
  • Add R717 (Ammonia)
  • Scale going higher on CO2
  • Setting for high altitude
  • Scale to go into vacuum

SuperCool Slide Rule HVAC

Reported bugs

8 issues
  • App expires and stops working
  • Requires constant uninstall/reinstall
  • App is scrambled and unusable
  • Superheat and subcooling chart scrambled
  • Paid version still prompts for payment/trial expired
Show 3 more
  • App continuously closes itself
  • No setting for altitude
  • Room calculator gives same results for different room sizes

Requested features

12 requests
  • Update with R454B
  • Update with R32
  • Add R421a refrigerant
  • Add R427a refrigerant
  • Add R744/R290/R1270 refrigerants
Show 7 more
  • Add portrait mode
  • Allow friction rate selection
  • Quick duct sizing option
  • Convert F to C
  • Convert Psi to Bar
  • Update for newer iOS
  • Add ability to buy app

In-app purchases

None

Ref Tools

No in-app purchases

None

SuperCool Slide Rule HVAC

No in-app purchases

Questions

Is Ref Tools free?
Ref Tools is free to download, with no in-app purchases.
Is SuperCool Slide Rule HVAC free?
SuperCool Slide Rule HVAC is free to download, with no in-app purchases.
Which has better reviews, Ref Tools or SuperCool Slide Rule HVAC?
SuperCool Slide Rule HVAC is rated higher. Ref Tools averages 3.9 out of 5 from 52 ratings, while SuperCool Slide Rule HVAC averages 4.2 from 185 ratings.
Do Ref Tools or SuperCool Slide Rule HVAC have ads?
Neither Ref Tools nor SuperCool Slide Rule HVAC shows ads.

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