Ref Tools vs Daikin Service
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
Read full descriptionHide 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.
Daikin Service
This app assists service engineers in the air conditioning industry with Daikin VRV, Altherma, Split, and Sky Air equipment. It provides tools for fault finding, including fault codes, refrigerant calculations, and diagnostic checks. The application also supports outdoor unit settings and operational procedures.
- Fault code lookup
- Additional charge calculations
- PCB dip switch settings
- Pressure and temperature checks
- Outdoor unit field settings
- Refrigerant recovery settings
- Emergency modes
Read full descriptionHide full description
The Daikin Service Application has been launched by Daikin Airconditioning UK to support service engineers in the air conditioning industry working with Daikin VRV, Daikin Altherma and Daikin Split and Sky Air Equipment. The application covers various functions to help field engineers to fault find Daikin equipment such as, Fault Codes Additional Charge Calculations Replacement PCB Dip Switch Settings Pressure Transducer and Temperature Thermistor Checks Also various Outdoor Unit field settings including, Fan Coil and BSVQ Box Count Check Refrigerant Recovery Setting Outdoor Unit Emergency Modes VRV Short Test Run Procedures
Screenshots
Verdict
The clearest difference is rating: Ref Tools at 3.9 against Daikin Service's 3.6. Ref Tools also leads on ratings volume (52 vs 11). On price, review sentiment, update cadence and ads 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 3.6. Both are backed by a comparable volume of ratings — 52 and 11 respectively. Written reviews point the same way: 58% of Ref Tools's written reviews are positive against 51% of Daikin Service's.
Ref Tools ships an update every 6 weeks, Daikin Service monthly. The most recent releases landed on September 19, 2026 and June 20, 2026 respectively.
| Parameter | Ref Tools | Daikin Service |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (52 ratings) — better | 3.6 (11 ratings) |
| Positive reviews | 57.6% of reviews — better | 50.9% of reviews |
| Number of ratings | 52 — better | 11 |
| Update frequency | Every 6 weeks | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 98 MB | 111 MB |
| Age rating | 4+ | 4+ |
| Developer | Danfoss A/S | Daikin Airconditioning UK Ltd |
Customer experience
Ref Tools
Daikin Service
In-app purchases
Ref Tools
No in-app purchases
Daikin Service
No in-app purchases








