Caleffi Pipe Sizer vs ASHRAE 365
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
ASHRAE 365
Access ASHRAE information year-round. Stay updated on global conferences and events, connect with the community via social media, and discover resources to support the Society.
- Conference and event updates
- Social media integration
- Resource discovery
- Society support information
- Year-round access
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ASHRAE 365 is your year-round app for ASHRAE information. Stay up-to-date on upcoming worldwide conferences and events, connect with others through social media, find resources, and learn how to support the Society.
Screenshots
Verdict
The clearest difference is review sentiment: Caleffi Pipe Sizer at 50% against ASHRAE 365's 0%. Caleffi Pipe Sizer also leads on rating (5.0 vs 4.2) and monetization model (free vs ad-supported). ASHRAE 365's advantage is ratings volume (10 vs 1). On price, update cadence, 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 4.2. That said, the two scores are not equally well evidenced: ASHRAE 365 has 10 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 50% of Caleffi Pipe Sizer's written reviews are positive against 0% of ASHRAE 365's.
Caleffi Pipe Sizer ships an update every 7 months, ASHRAE 365 every 4 months. The most recent releases landed on October 2, 2026 and October 6, 2026 respectively.
| Parameter | Caleffi Pipe Sizer | ASHRAE 365 |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 4.2 (10 ratings) |
| Positive reviews | 50.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 1 | 10 — better |
| Update frequency | Every 7 months | Every 4 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 44 MB | 53 MB |
| Age rating | 4+ | 4+ |
| Developer | Caleffi S.p.A | ASHRAE, Inc. |
Customer experience
Caleffi Pipe Sizer
ASHRAE 365
In-app purchases
Caleffi Pipe Sizer
No in-app purchases
ASHRAE 365
No in-app purchases
Questions
Is Caleffi Pipe Sizer free?
Is ASHRAE 365 free?
Which has better reviews, Caleffi Pipe Sizer or ASHRAE 365?
Do Caleffi Pipe Sizer or ASHRAE 365 have ads?
Which is updated more often, Caleffi Pipe Sizer or ASHRAE 365?
Other comparisons
