Ref Tools vs Sitrad
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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.
Sitrad
Remotely manage and monitor industrial, commercial, and residential systems like cold rooms and air conditioning. Continuously evaluate, configure, and store data such as temperature and humidity, with the ability to modify parameters from anywhere via the internet.
- Remote system administration
- Modify controller variables and functions
- Monitor temperature, humidity, time, pressure, voltage
- Generate graphs and reports
- Receive warning messages
- Manage unlimited control points
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Management in the palm of your hand It is the version for cellular phones, smartphones and tablets of the remote management software from Full Gauge Controls instruments, the Sitrad Pro. By installing this application, you can administer facilities from a distance, intervening and modifying controller variables or functions in industrial, commercial and residential systems, for example, cold rooms and air conditioned . That means greater facility, greater practicality and even more stillness. About Sitrad: Sitrad is Full Gauge Controls’ software for remote management of refrigeration and air conditioning. Versatile, it provides both local and remote access to installations from the most diverse segments, from supermarket chains, meat-packing plants and restaurants, to hotels, hospitals, laboratories and homes, among others. It continuously evaluates, configures and stores temperature, humidity, time, pressure and voltage data, allowing a modification of instrument operating parameters with complete safety and accuracy, from anywhere in the world, via the internet, through a computer or mobile phone. Sitrad has a Computer Program Register Certificate, issued by the National Institute of Industrial Property (INPI - Brazil). The document is valid for 50 years, on the five continents. History The first version of Sitrad was launched in 1997 and, since then, the company has striven to keep it constantly abreast with the latest developments. Always focused on adapting to market needs and constantly surpassing client expectations, the company has been innovating through the use of new resources and new possibilities. In this manner, Sitrad has become a tradition and tool essential to the perfect performance of installations and business. Apply Sitrad® so that your client can enjoy complete installation control and: - Manage an unlimited number of control points from anywhere in the world in a simplified manner, such as cold supply, air conditioning, lighting and door alarm systems; - Continuously evaluate, configure and store temperature, humidity, time, pressure and voltage data, allowing remote adjustments of instrument parameters with complete precision, via the internet, computer, tablet or cellular phone (Sitrad Mobile); - Obtain graphs and reports from stored data; - Send warning messages in the event of variables not being in accord with established standards; - Sitrad has been provided for free by Full Gauge Controls to its clients since it was launched, in 1997.
Screenshots
Verdict
The clearest difference is review sentiment: Ref Tools at 58% against Sitrad's 0%. Ref Tools also leads on rating (3.9 vs 3.2) and ratings volume (52 vs 5). Sitrad's advantage is iOS requirement (12.0 vs 15.0). On price, update cadence, ads and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Ref Tools holds the better App Store score, 3.9 against 3.2. That said, the two scores are not equally well evidenced: Ref Tools has 52 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 58% of Ref Tools's written reviews are positive against 0% of Sitrad's.
Both ship on a similar rhythm, roughly every 6 weeks. The most recent releases landed on September 19, 2026 and September 21, 2026 respectively.
| Parameter | Ref Tools | Sitrad |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (52 ratings) — better | 3.2 (5 ratings) |
| Positive reviews | 57.6% of reviews — better | 0.0% of reviews |
| Number of ratings | 52 — better | 5 |
| Update frequency | Every 6 weeks | Every 6 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 98 MB | 27 MB |
| Age rating | 4+ | 4+ |
| Developer | Danfoss A/S | Full Gauge Controls |
Customer experience
Ref Tools
Sitrad
In-app purchases
Ref Tools
No in-app purchases
Sitrad
No in-app purchases








