Comparison

Caleffi Pipe Sizer vs GC Workflow

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Accurate water/air pipe sizing
  • Pressure drop calculation
  • Customizable technical parameter calculations
  • Extensive material and configuration library
  • Modern and intuitive interface
  • Enhanced performance
Features
Read full description

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

About

GC Workflow

Features
Read full description

GC Workflow app is the mobile app for Professional Workflow.Office and Field staff can manage their daily jobs, appointments, customer communications, quoting, and more.

Screenshots

Caleffi Pipe Sizer4 screens
GC Workflow4 screens

Verdict

The call

The clearest difference is update cadence: GC Workflow at every 2 months against Caleffi Pipe Sizer's every 7 months. On price, ads, in-app purchases and device support 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Caleffi Pipe Sizer ships an update every 7 months, GC Workflow every 2 months. The most recent releases landed on October 2, 2026 and October 6, 2026 respectively.

Scorecard1 real difference · 9 level
Caleffi Pipe Sizer versus GC Workflow: the parameters behind the verdict, then further details
ParameterCaleffi Pipe SizerGC Workflow
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 7 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.012.0 — better
Further details — not scored
Size44 MB33 MB
Age rating4+4+
DeveloperCaleffi S.p.AMatrix Software Solutions LLC

In-app purchases

None

Caleffi Pipe Sizer

No in-app purchases

None

GC Workflow

No in-app purchases

Questions

Is Caleffi Pipe Sizer free?
Caleffi Pipe Sizer is free to download, with no in-app purchases.
Is GC Workflow free?
GC Workflow is free to download, with no in-app purchases.
Do Caleffi Pipe Sizer or GC Workflow have ads?
Neither Caleffi Pipe Sizer nor GC Workflow shows ads.
Which is updated more often, Caleffi Pipe Sizer or GC Workflow?
Caleffi Pipe Sizer ships an update every 7 months, and GC Workflow every 2 months. Most recently, Caleffi Pipe Sizer was updated on October 2, 2026 and GC Workflow on October 6, 2026.

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