F vs Low
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
F
This app helps professionals understand and comply with European F-Gas regulations. It provides tools for calculating refrigerant loads, determining leak detection frequencies, and identifying suitable process fluids for various equipment.
- F-Gas III regulation compliance
- Refrigerant load calculation
- Leak detection frequency guide
- Process fluid and solution recommendations
- Equipment and application specific guidance
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“F-Gas Solutions”, developed by Climalife, is a simple and educational application intended for professionals to deal with European regulation (EU) 2024/573 known as “F-Gas III” which entered into force on March 11, 2024 and relating to fluorinated greenhouse gases. This application offers different tools: - A load calculator to know the GWP of the process fluids (refrigerants, hydrocarbons, gas) that you use in your equipment and obtain the load in t Eq. CO2. Two essential criteria in the F-Gas regulations, in particular for the mandatory labeling of the charge on equipment containing fluorinated greenhouse gases. - A leak detection module to inform you about the frequency of leak detection checks necessary to carry out depending on the type of process fluid used. Leak checks are in fact mandatory for all refrigeration, air conditioning, heat pump and electrical switching equipment containing fluorinated greenhouse gases. - A “Climalife Certified F-Gas Solutions” module to inform you about all the process fluids available on the market and the solutions we recommend for new and existing equipment, in accordance with F-Gas regulations. Depending on the type of application (Air Conditioning, Heat Pumps, Domestic Refrigeration, Commercial and Industrial Refrigeration, Transport/Automotive, Fire Protection, Foams, Aerosols and Electrical Switches), and/or the equipment selected whether it is new or existing, you will find the solution adapted to your needs. Many process fluids are included in the application such as: Refrigerants such as: - HFOs: R-1234yf, R-1234ze, R-1336mzz(E), R-1132a, R-1224yd… - HFO / HFC: R-448A, R-449A, R-450A, R-452B, R-454B, R-454C, R-455A, R-513A, etc. - HFCs: R-23, R-32, R-134a, R-227ea, R-404A, R-407A, R-407F, R-410A, R-507A, R-508B, etc. - Hydrocarbons: R-170 (ethane), R-290 (propane), R-600a (isobutane) - Ammonia or even CO2 Special gases for electrical switches: g3, SF6… Gases for blowing agents: Solstice® GBA (HFO 1234ze), Cyclopentane, DME, N-Butane, Isopentane T, N-pentane T, Isobutane… Gases for aerosols: Propane, CO2, Propylene, DME… Gases used in fire protection: FK-5-1-12, HFC-227eaFE, HFC 23T, HFC 125T…
Low
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Low-GWP Tool is now part of the new Ref Tools app, our essential, all-in-one mobile app for air conditioning and refrigeration technicians. Ref Tools gives you access to the tools, guidance, support, and information you need—on the job and in the field. Download Ref Tools to access the latest version of Low-GWP Tool. Retrofitting refrigeration systems to more climate-friendly refrigerants is much easier with the right tools in hand—and the first one you should reach for is Low-GWP Tool. Low-GWP Tool ensures compatibility with the TXV and uses a simple calculation to show the indicative capacity difference of a retrofit refrigerant. Simply enter basic information like TXV type, current refrigerant, operating range, and retrofit refrigerant, and Low-GWP Tool will verify that your refrigerant choice is efficient, environmentally friendly, and compatible. Support For app support, please use the in-app feedback function found in the app settings or send an email to coolapp@danfoss.com Engineering Tomorrow Danfoss engineers advanced technologies that enable us to build a better, smarter and more efficient tomorrow. In the world’s growing cities, we ensure the supply of fresh food and optimal comfort in our homes and offices, while meeting the need for energy-efficient infrastructure, connected systems and integrated renewable energy. Our solutions are used in such areas as refrigeration, air conditioning, heating, motor control and mobile machinery. Our innovative engineering dates back to 1933 and today, Danfoss holds market-leading positions, employing 28,000 people and serving customers in more than 100 countries. We are privately held by the founding family. Read more about us at www.danfoss.com. Terms and Conditions apply for use of the app.
Screenshots
Verdict
The clearest difference is update cadence: F at every 2 months against Low's every 4 months. Low's advantage is iOS requirement (11.0 vs 13.4). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
F ships an update every 2 months, Low every 4 months. The most recent releases landed on October 24, 2026 and October 17, 2026 respectively.
| Parameter | F | Low |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 33.3% of reviews | — |
| Update frequency | Every 2 months — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.4 | 11.0 — better |
| Further details — not scored | ||
| Size | 19 MB | 53 MB |
| Age rating | 4+ | 4+ |
| Developer | Gestimat – Groupe Dehon | Danfoss A/S |
In-app purchases
F
No in-app purchases
Low
No in-app purchases








