Caleffi Pipe Sizer vs Golmar GCall
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Caleffi Pipe Sizer
This application assists hydraulic and HVAC professionals in accurately sizing water or air pipes. It calculates pressure drops and offers a modern, intuitive interface for precise system design on the go.
- Accurate water/air pipe sizing
- Pressure drop calculation
- Customizable technical parameter calculations
- Extensive material and configuration library
- Modern and intuitive interface
- Enhanced performance
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Caleffi Pipe Sizer is the essential app for engineers, designers and installers operating within the hydraulic systems and heating and cooling sector. This app can be used to size water or air pipes accurately and calculate both localised and widely distributed pressure drops easily, wherever you are. The app, featuring a fully redesigned frontend, offers a new-look interface and improved performance. Download the app and start designing with speed and precision! Main Features of the Update: - Native Look & Feel: new, more modern and intuitive interface - Alignment with Standards: compatible with the latest mobile app standards - Enhanced Performance: optimised performance to guarantee a fluid and reactive user experience Functions: - Accurate sizing of water or air pipes - Customisable calculations based on technical parameters - Extensive library of materials and configurations Why Choose Us? - Precision: advanced calculation tools ensure accurate results - Innovation: the new version is enhanced with cutting-edge technologies which offer improved performance and greater ease of use - Complete support: compatible with the latest iOS devices
Golmar GCall
Receive and answer calls from your home's entrance, seeing and speaking with visitors. It records missed calls with timestamps and supports up to four users per apartment. This app is compatible with specific Golmar devices.
- Receive visitor calls
- See and speak to visitors
- Open doors remotely
- Record missed calls
- Multi-user support
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GCall allows you to receive calls made from the door of your house, being possible to see the visitor, answer and open the door. If you cannot answer, the application records unanswered calls with the date and time they were made. GCall can be used by up to 4 users of the same apartment. This application is only compatible with Art 5W/GTwin, GCall/GTwin and GCall-MU/GTwin Golmar devices. Find more information at www.golmar.es
Screenshots
Verdict
The clearest difference is review sentiment: Caleffi Pipe Sizer at 50% against Golmar GCall's 0%. Caleffi Pipe Sizer also leads on update cadence (every 7 months vs every 18 months). On price, ads, in-app purchases and monetization model 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.
Caleffi Pipe Sizer ships an update every 7 months, Golmar GCall every 18 months. The most recent releases landed on October 18, 2026 and October 16, 2026 respectively.
| Parameter | Caleffi Pipe Sizer | Golmar GCall |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 50.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 1 — better | — |
| Update frequency | Every 7 months — better | Every 18 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 12.5 — better |
| Further details — not scored | ||
| Size | 44 MB | 95 MB |
| Age rating | 4+ | 4+ |
| Developer | Caleffi S.p.A | Golmar Sistemas de Comunicacion, SA |
Customer experience
Caleffi Pipe Sizer
Golmar GCall
In-app purchases
Caleffi Pipe Sizer
No in-app purchases
Golmar GCall
No in-app purchases
Questions
Is Caleffi Pipe Sizer free?
Is Golmar GCall free?
Do Caleffi Pipe Sizer or Golmar GCall have ads?
Which is updated more often, Caleffi Pipe Sizer or Golmar GCall?
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