Caleffi Pipe Sizer vs Ductulator
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
Ductulator
This app provides a simple and efficient tool for calculating the dimensions of square ventilation ducts. It's designed for engineers, architects, and contractors to generate data for mechanical ventilation, cooling, and HVAC projects. Quickly validate residential and commercial solutions with this easy-to-use calculator.
- Calculate equivalent round diameter of square ducts
- Convert square duct dimensions by volume ratio
- Provide metric equivalence
- Validate residential and commercial solutions
- Designed for engineers and architects
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Offrez-vous un outil de calcul simple et efficace pour calculer les dimensions de conduit de ventilation carré ! Destinée aux ingénieurs, aux architectes, aux entrepreneurs et à leurs équipes d’experts, notre application unique est un incontournable sur le chantier. Fonctionnel en tout temps, notre instrument de travail génère les données dont vous avez besoin pour réaliser vos projets de ventilation mécanique, d’aération du ventilateur de refroidissement, de conception générale pour les conduits de climatisation et de chauffage. Facile d’utilisation et optimisé pour tous les types d’éclairage ou d’écrans, notre Ductulator réinventé vous permettra de valider rapidement vos solutions résidentielles et commerciales. Offrez-vous aujourd’hui notre calculatrice conçue spécialement pour: -Calculer l'équivalent en rond (Diamètre) d'un conduit carré de ventilation -Convertir des dimensions de conduit carré par un rapport de volume d'une nouvelle dimension, amincie selon un ratio spécifique. -Donner l’équivalence métrique Parce que mesurer et valider vos calculs font partie du métier, le nôtre est de vous offrir ce qu’il y a de meilleur sur le marché! Faites le calcul!
Screenshots
Verdict
The clearest difference is review sentiment: Caleffi Pipe Sizer at 50% against Ductulator's 0%. Caleffi Pipe Sizer also leads on rating (5.0 vs 1.0). Ductulator's advantage is update cadence (weekly vs every 7 months). On price, ratings volume, 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 1.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively. Written reviews point the same way: 50% of Caleffi Pipe Sizer's written reviews are positive against 0% of Ductulator's.
Caleffi Pipe Sizer ships an update every 7 months, Ductulator weekly. The most recent releases landed on October 18, 2026 and October 12, 2026 respectively.
| Parameter | Caleffi Pipe Sizer | Ductulator |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 1.0 (2 ratings) |
| Positive reviews | 50.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 1 | 2 — better |
| Update frequency | Every 7 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 44 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | Caleffi S.p.A | Simon Leroux |
Customer experience
Caleffi Pipe Sizer
Ductulator
In-app purchases
Caleffi Pipe Sizer
No in-app purchases
Ductulator
No in-app purchases
Questions
Is Caleffi Pipe Sizer free?
Is Ductulator free?
Which has better reviews, Caleffi Pipe Sizer or Ductulator?
Do Caleffi Pipe Sizer or Ductulator have ads?
Which is updated more often, Caleffi Pipe Sizer or Ductulator?
Other comparisons
