Comparison

Ref Tools vs Pipe and Fitting

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

Pipe and Fitting

This app provides detailed dimensions and specifications for a wide range of piping components, including pipes, fittings, flanges, clamps, hangers, and gaskets. It offers accurate measurements and material information, with the ability to switch between metric and US units for user convenience.

Highlights
  • Accurate pipe dimensions
  • Comprehensive material information
  • Strength analysis
  • Fitting dimensions
  • Flange specifications
  • Unit conversion (metric/US)
Features
Read full description

Explore the world of pipes and accessories with this comprehensive app that delves into the dimensions of piping components. Discover a wide array of accessories, including pipe sizes, clamps, fittings, flanges, hangers, and gaskets—all at your fingertips. Seamlessly switch between metric and US units with a simple selection. Key Features: Accurate Pipe Dimensions: Dive into precise measurements for a variety of pipes. Comprehensive Pipe Material Information: Learn about different pipe materials and their properties. Strength Analysis: Evaluate the strength of pipes for various applications. Pipe Clamps: Explore dimensions and details of pipe clamps for secure installations. Fitting Dimensions: Access detailed dimensions of fittings for seamless connections. Pipe Flange Specifications: Understand the dimensions and specifications of pipe flanges. Pipe Hangers: Get insights into pipe hangers for effective support and suspension. Gasket Dimensions: Explore dimensions and types of gaskets for leak-free connections. Whether you're a professional in the field or a DIY enthusiast, this app equips you with valuable information for your piping projects. Effortlessly toggle between units, ensuring a user-friendly experience tailored to your preferences.

Screenshots

Ref Tools4 screens
Pipe and Fitting4 screens

Verdict

The call

The clearest difference is price: Ref Tools at Free against Pipe and Fitting's $3.99. Ref Tools also leads on ratings volume (52 vs 4) and update cadence (every 5 weeks vs every 3 months). Pipe and Fitting's advantage is review sentiment (100% vs 58%) and iOS requirement (12.0 vs 15.0). On rating, ads, in-app purchases and device support 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

Ref Tools is free to download; Pipe and Fitting costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 3.9 for Ref Tools against 4.0 for Pipe and Fitting. That said, the two scores are not equally well evidenced: Ref Tools has 52 ratings behind it against 4, so its average is the more settled of the two. Written reviews are what separate them: 58% of Ref Tools's written reviews are positive against 100% of Pipe and Fitting's.

UpkeepUpdate frequency

Ref Tools ships an update every 5 weeks, Pipe and Fitting every 3 months. The most recent releases landed on September 29, 2026 and August 31, 2026 respectively.

Scorecard6 real differences · 4 level
Ref Tools versus Pipe and Fitting: the parameters behind the verdict, then further details
ParameterRef ToolsPipe and Fitting
PriceFree — better$3.99
Rating3.9 (52 ratings)4.0 (4 ratings) — better
Positive reviews57.6% of reviews100.0% of reviews — better
Number of ratings52 — better4
Update frequencyEvery 5 weeks — betterEvery 3 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.012.0 — better
Further details — not scored
Size98 MB36 MB
Age rating4++4
DeveloperDanfoss A/SAjay Gorasiya

Customer experience

Ref Tools

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

Pipe and Fitting

All ratings4 ratings
Positive75.0%
Neutral0.0%
Negative25.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

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

Pipe and Fitting

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Ref Tools

No in-app purchases

None

Pipe and Fitting

No in-app purchases

Questions

Is Ref Tools free?
Ref Tools is free to download, with no in-app purchases.
Is Pipe and Fitting free?
Pipe and Fitting costs $3.99, with no in-app purchases.
Which has better reviews, Ref Tools or Pipe and Fitting?
Pipe and Fitting is rated higher. Ref Tools averages 3.9 out of 5 from 52 ratings, while Pipe and Fitting averages 4.0 from 4 ratings.
Do Ref Tools or Pipe and Fitting have ads?
Neither Ref Tools nor Pipe and Fitting shows ads.
Which is updated more often, Ref Tools or Pipe and Fitting?
Ref Tools ships an update every 5 weeks, and Pipe and Fitting every 3 months. Most recently, Ref Tools was updated on September 29, 2026 and Pipe and Fitting on August 31, 2026.

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