HyTools vs Caleffi Pipe Sizer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
HyTools
This app provides HVAC professionals with a comprehensive suite of hydronic calculation tools. It assists with tasks like valve sizing, pressure drop calculations, and radiator power estimation. The tool offers unit conversion and language selection for user convenience.
- Hydronic calculator
- Valve sizing and presetting
- Radiator power estimation
- Pipe sizing
- Unit conversion
- Pressure maintenance calculation
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IMI Hydronic Engineering proudly presents HyTools, the user-friendly hydronic calculator App for HVAC professionals. Features include: - Hydronic calculator (enter any two values and get the third one): - flow - Kv/Cv - pressure drop - power - flow - temperature difference - flow - valve setting - pressure drop - Dirt and air separator pressure drop calculation - Valve sizing and presetting - Radiator power estimation (panel and column) - Radiator valve sizing and presetting - Pipe sizing - Unit conversion - Run-time selection of localisation - Run-time selection of language - Pressure maintenance and vacuum degassing calculation and selection for heating, cooling and solar systems Stay tuned for great upcoming updates adding further hydronic calculation functions. Please visit www.imi-hydronic.com for more information and contact details. Phone numbers to local support can be found here: http://www.imi-hydronic.com/en/contact/ IMI Hydronic Engineering International SA is the leading global provider and expert in hydronic distribution systems and room temperature control, with experience in more than 100,000 projects worldwide. We help our customers everywhere optimise HVAC systems so they deliver desired comfort with optimal efficiency. IMI Hydronic Engineering is part of the international engineering group IMI plc which is listed as a member of the FTSE 100 on the London Stock Exchange.
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
Screenshots
Verdict
The clearest difference is rating: Caleffi Pipe Sizer at 5.0 against HyTools's 4.0. Caleffi Pipe Sizer also leads on iOS requirement (13.0 vs 15.0). HyTools's advantage is update cadence (every 6 weeks vs every 7 months) and ratings volume (5 vs 1). On price, review sentiment, ads and in-app purchases 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 holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: HyTools has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 50% and 50% positive.
HyTools ships an update every 6 weeks, Caleffi Pipe Sizer every 7 months. The most recent releases landed on September 28, 2026 and October 2, 2026 respectively.
| Parameter | HyTools | Caleffi Pipe Sizer |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (5 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 50.0% of reviews | 50.0% of reviews |
| Number of ratings | 5 — better | 1 |
| Update frequency | Every 6 weeks — better | Every 7 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 114 MB | 44 MB |
| Age rating | 4+ | 4+ |
| Developer | IMI Hydronic Engineering International SA | Caleffi S.p.A |
Customer experience
HyTools
Caleffi Pipe Sizer
In-app purchases
HyTools
No in-app purchases
Caleffi Pipe Sizer
No in-app purchases
Questions
Is HyTools free?
Is Caleffi Pipe Sizer free?
Which has better reviews, HyTools or Caleffi Pipe Sizer?
Do HyTools or Caleffi Pipe Sizer have ads?
Which is updated more often, HyTools or Caleffi Pipe Sizer?
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