Pipe Source vs Caleffi Pipe Sizer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Pipe Source
Access comprehensive steel pipe specifications and industry conversion calculators. Easily find pipe charts for various sizes and schedules, and quickly convert units like feet to tons and $/ft to $/ton. Connect with industry experts for immediate assistance.
- Imperial and metric pipe charts
- Wall thickness and weight per foot data
- Oil Country and Tubular product information
- Industry conversion calculators
- Contact industry experts
- Branch locator
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Pipe Source brought to you by Kelly Pipe is a convenient resource for common steel pipe specifications as well as useful industry conversion calculators! This application includes imperial and metric pipe charts displaying wall thickness and weight per foot for Pipe sizes 1/8” – 52” and Schedules 5- Double Extra Heavy. Similar information is also provided for commonly stocked Oil Country and Tubular products including API drift and Coupling OD for well casing and tubing. Multiple built-in industry related calculators make it easy to convert feet to tons and $/ft to $/ton. The Pipe Source enables users to readily contact industry experts at a nearby Kelly Pipe branch to get immediate answers to their questions. With over 100 years in the business, an expert knowledgeable staff, Kelly Pipe is the Ultimate Source for Carbon Steel Pipe and Oil Country Tubular Goods!
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 Pipe Source's 4.0. Pipe Source's advantage is iOS requirement (7.1 vs 13.0). On price, ratings volume, update cadence and ads 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. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
Pipe Source ships an update every 4 months, Caleffi Pipe Sizer every 7 months. Both last shipped on October 2, 2026.
| Parameter | Pipe Source | Caleffi Pipe Sizer |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (1 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | — | 50.0% of reviews |
| Number of ratings | 1 | 1 |
| Update frequency | Every 4 months — better | Every 7 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 7.1 — better | 13.0 |
| Further details — not scored | ||
| Size | 12 MB | 44 MB |
| Age rating | 4+ | 4+ |
| Developer | Kelly Pipe Co. LLC | Caleffi S.p.A |
Customer experience
Pipe Source
Caleffi Pipe Sizer
In-app purchases
Pipe Source
No in-app purchases
Caleffi Pipe Sizer
No in-app purchases
Questions
Is Pipe Source free?
Is Caleffi Pipe Sizer free?
Which has better reviews, Pipe Source or Caleffi Pipe Sizer?
Do Pipe Source or Caleffi Pipe Sizer have ads?
Which is updated more often, Pipe Source or Caleffi Pipe Sizer?
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