F vs CriterApp
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
CriterApp
Access cadastral data for the Emilia-Romagna region. This mobile tool allows users to interface with the regional land registry, providing access to important property information.
- Cadastral data access
- Emilia-Romagna region specific
- Land registry interface
- Property information retrieval
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L'applicazione mobile per l'interfacciamento con il catasto della regione Emilia-Romagna Criter
Screenshots
Verdict
The clearest difference is review sentiment: F at 88% against CriterApp's 0%. CriterApp's advantage is price (Free vs $2.99) and in-app purchases (none vs 4). On update cadence, ads, device support and iOS requirement 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
CriterApp is free to download; F costs $2.99 up front. F sells 4 one-off in-app purchases. CriterApp asks for nothing beyond the download.
F ships an update every 4 weeks, CriterApp every 6 weeks. The most recent releases landed on November 2, 2026 and October 14, 2026 respectively.
| Parameter | F | CriterApp |
|---|---|---|
| Price | $2.99 | Free — better |
| Positive reviews | 87.5% of reviews — better | 0.0% of reviews |
| Update frequency | Every 4 weeks — better | Every 6 weeks |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 30 MB | 114 MB |
| Age rating | 4+ | 4+ |
| Developer | Radu Dominte | Regione Emilia-Romagna |
Customer experience
F
CriterApp
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
CriterApp
No in-app purchases
