Comparison

Caleffi Pipe Sizer vs Energy Auditor Mobile

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

Energy Auditor Mobile

Features
Read full description

Transform your energy auditing workflow with professional-grade tools designed for field engineers and consultants. Create comprehensive audit reports with intuitive SketchPad drawing and capturing photos, equipment data tables, and pump curve calculations. Key Features: • Visual SketchPad with photo integration and precise drawing tools • Customizable equipment and spot-check data tables • Built-in pump curve digitizer with pressure to flow calculation and performance charting • Professional PDF export with embedded images and data • Offline operation - work anywhere without internet Perfect for energy auditors, HVAC technicians, and facility managers who need reliable field documentation tools. Premium subscription unlocks unlimited workbooks and pump curves for large-scale projects. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Caleffi Pipe Sizer4 screens
Energy Auditor Mobile4 screens

Verdict

The call

The clearest difference is in-app purchases: Caleffi Pipe Sizer at none against Energy Auditor Mobile's 1. Caleffi Pipe Sizer also leads on iOS requirement (13.0 vs 15.1). Energy Auditor Mobile's advantage is update cadence (daily vs every 7 months). On price, ads 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. Energy Auditor Mobile sells 1 in-app purchase, starting at $5.99 per month. Caleffi Pipe Sizer asks for nothing beyond the download.

UpkeepUpdate frequency

Caleffi Pipe Sizer ships an update every 7 months, Energy Auditor Mobile daily. The most recent releases landed on November 2, 2026 and October 25, 2026 respectively.

Scorecard3 real differences · 7 level
Caleffi Pipe Sizer versus Energy Auditor Mobile: the parameters behind the verdict, then further details
ParameterCaleffi Pipe SizerEnergy Auditor Mobile
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 7 monthsDaily — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.1
Further details — not scored
Size44 MB32 MB
Age rating4+4+
DeveloperCaleffi S.p.AKirk May

In-app purchases

None

Caleffi Pipe Sizer

No in-app purchases

1 purchases

Energy Auditor Mobile

Subscriptions1
  • Energy Auditor App Monthly$5.991 Month

Questions

Is Caleffi Pipe Sizer free?
Caleffi Pipe Sizer is free to download, with no in-app purchases.
Is Energy Auditor Mobile free?
Energy Auditor Mobile is free to download, with in-app purchases available.
Do Caleffi Pipe Sizer or Energy Auditor Mobile have ads?
Neither Caleffi Pipe Sizer nor Energy Auditor Mobile shows ads.
Which is updated more often, Caleffi Pipe Sizer or Energy Auditor Mobile?
Caleffi Pipe Sizer ships an update every 7 months, and Energy Auditor Mobile daily. Most recently, Caleffi Pipe Sizer was updated on November 2, 2026 and Energy Auditor Mobile on October 25, 2026.

Other comparisons