# Caleffi Pipe Sizer vs iXTool

The clearest difference is review sentiment: Caleffi Pipe Sizer at 50% against iXTool's 0%. iXTool's advantage is iOS requirement (11.0 vs 13.0). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly every 7 months. The most recent releases landed on October 18, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Caleffi Pipe Sizer | iXTool |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/caleffi-pipe-sizer/id1088928458/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | **50.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | Every 7 months |
| Monetization | Free | Free |
| Size | 44 MB | 64 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Caleffi S.p.A](https://appshunter.io/developer/920722440) | [Resideo Technologies, Inc.](https://appshunter.io/developer/1437524946) |

## What reviewers say

### Caleffi Pipe Sizer

[App page](https://appshunter.io/ios/app/caleffi-pipe-sizer/id1088928458)

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:** macOS Compatibility

**In-app purchases:** none


### iXTool

[App page](https://appshunter.io/ios/app/ixtool/id1270329852)

Connect appliances to your smartphone for easier installation and servicing. This tool supports various communication protocols, aiding technicians in their work.

**Highlights:** WiFi appliance connection, Smartphone integration, Commissioning support, Servicing assistance, OT, microcom, and Modbus support

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Caleffi Pipe Sizer free?

Caleffi Pipe Sizer is free to download, with no in-app purchases.

### Is iXTool free?

iXTool is free to download, with no in-app purchases.

### Do Caleffi Pipe Sizer or iXTool have ads?

Neither Caleffi Pipe Sizer nor iXTool shows ads.

### Which is updated more often, Caleffi Pipe Sizer or iXTool?

Caleffi Pipe Sizer ships an update every 7 months, and iXTool every 7 months. Most recently, Caleffi Pipe Sizer was updated on October 18, 2026 and iXTool on October 17, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*