F vs Onix Tool Store
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
F
This tool calculates the Global Warming Potential (GWP) of greenhouse gases, aiding compliance with EU regulations. It helps track gas inventory, calculate leak detection frequency, and manage gas phase-out and retrofitting. The app also provides gas composition and flammability data.
- GWP calculation for greenhouse gases
- Leak detection frequency calculation
- Gas phase-out and retrofit management
- Cloud-based Gas Manager for inventory tracking
- Gas composition and flammability data
- Supports multiple languages
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F-Gas Tool is a Global Warming Potential (GWP) Calculator for Greenhouse Gases regulated by European (EU) No. 517/2014, mainly used in air conditioning, refrigeration and fire extinguisher . Based on the CO2 Equivalent Tonnage Result, the App calculates: - Leak Detection Frequency - Gas Phase Out - Gas Retrofit Introduction of Gas Manager section, fully functional. Gas Manager is a cloud service where you can add all your HFC greenhouse gases. This service helps you to easily keep track, of all your acquired and sold gas, from all your devices connected with the cloud service. After the New User Creation you will have 20 insertions for free. Introducing a new feature: gas composition and flammability levels for all gases and blends. Available languages: English, Italian, Romanian, German, Danish, French, Polish, Bulgarian, Czech, Croatian, Dutch, Greek, Hungarian, Portuguese, Slovak, Slovene, Spanish. For the momento we included the most used gases end blends. R-11, R-13, R-13B1, R-14, R-22, R-32, R-23, R-41, R-50, R-114, R-116, R-123, R-124, R-125, R-134, R-134a, R-142b, R-143, R-143a, R-152, R-152a, R-161, R-170, R-218, R-227ea, R-227me, R-236cb, R-236ea, R-236fa, R-236me, R-245ca, R-245fa, R-290, R-c318, R-365mfc, R-401A, R-401B, R-401C, R-402A, R-402B, R-403A, R-403B, R-404A, R-405A, R-406A, R-407A, R-407C, R-407B, R-407D, R-407E, R-407F, R-407H, R-408A, R-409A, R-409B, R-410A, R-410B, R-411A, R-411B, R-412A, R-413A, R-414B, R-415A, R-415B, R-416A, R-417A, R-417B, R-417C, R-418A, R-419A, R-419B, R-420A, R-421A, R-421B, R-422A, R-422B, R-422C, R-422D, R-422E, R-423A, R-424A, R-425A, R-426A, R-427A, R-428A, R-429A, R-430A, R-431A, R-432A, R-434A, R-435A, R-437A, R-438A, R-439A, R-440A, R-442A, R-443A, R-444A, R-444B, R-445A, R-448A, R-449A, R-449B, R-450A, R-451A, R-451B, R-452A, R-452B, R-453A, R-454A, R-454B, R-454C, R-455A, R-458A, R-466A, R-469A, R-470A, R-500, R-502, R-503, R-504, R-507, R-507A, R-508A, R-508B, R-509A, R-511A, R-512A, R-513A, R-513B, R-515A, R-515B, R-516A, R-600A, R-1150, R-1233zd(E), R-1234yf, R-1234ze, R-1270, R-3110,R-4310, R-1336mzz(z), R-E125, R-E134, R-E143a, Vertrel XF HFC-43-10mee, NF3, N2O, CH4, CO2, Tetradecafluoroesane, Perfluoropentano, Sulfur hexafluoride
Onix Tool Store
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Effective work depends on available equipment. Onix Tool Store registers every piece of lifting equipment digitally, and you will always know what is physically in your tool crib, ready to do the job. Digitally registering all loose lifting equipment in and out of the tool crib by QR or RFID reduces the risk of human error and saves time and effort. We’d love to hear from you! Find us online at onix.com. Onix Terms and Conditions: https://onix.com/legal
Screenshots
Verdict
The clearest difference is price: Onix Tool Store at Free against F's $2.99. Onix Tool Store also leads on in-app purchases (none vs 4). F's advantage is update cadence (every 4 weeks vs every 2 months) and iOS requirement (12.0 vs 16.0). On ads 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
Onix Tool Store is free to download; F costs $2.99 up front. F sells 4 one-off in-app purchases. Onix Tool Store asks for nothing beyond the download.
F ships an update every 4 weeks, Onix Tool Store every 2 months. The most recent releases landed on October 13, 2026 and October 18, 2026 respectively.
| Parameter | F | Onix Tool Store |
|---|---|---|
| Price | $2.99 | Free — better |
| Positive reviews | 87.5% of reviews | — |
| Update frequency | Every 4 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 30 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | Radu Dominte | Onix |
In-app purchases
F
- Ads Removal$0.99
- +30 Gas Insertions$0.99
- +60 Gas Insertions$1.99
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- +120 Gas Insertions$3.99
Onix Tool Store
No in-app purchases
