# Caleffi Pipe Sizer vs Pipe Fitting

The clearest difference is in-app purchases: Caleffi Pipe Sizer at none against Pipe Fitting's 2. Caleffi Pipe Sizer also leads on ads (none vs shown) and rating (5.0 vs 4.6). Pipe Fitting's advantage is update cadence (every 5 days vs every 7 months) and ratings volume (116 vs 1). On price and device support there is nothing between them.

Both are free to download. Pipe Fitting sells 2 in-app purchases, starting at $4.99 per 7 days. Caleffi Pipe Sizer asks for nothing beyond the download.

Caleffi Pipe Sizer holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Pipe Fitting has 116 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 50% of Caleffi Pipe Sizer's written reviews are positive against 33% of Pipe Fitting's.

Caleffi Pipe Sizer ships an update every 7 months, Pipe Fitting every 5 days. The most recent releases landed on October 2, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Caleffi Pipe Sizer | Pipe Fitting |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/caleffi-pipe-sizer/id1088928458/reviews)** | [4.6 (116 ratings)](https://appshunter.io/ios/app/pipe-fitting/id6743724584/reviews) |
| Number of ratings | 1 | **116** |
| Positive reviews | **50.0% of reviews** | 33.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 7 months | **Every 5 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 44 MB | 42 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Caleffi S.p.A](https://appshunter.io/developer/920722440) | [xNeat.com](https://appshunter.io/developer/327498295) |

## 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


### Pipe Fitting

[App page](https://appshunter.io/ios/app/pipe-fitting/id6743724584)

This tool provides precise pipe layout calculations for professionals in welding and fabrication. It offers various offset and fitting calculators, along with data tools for custom angles and triangle solutions. Easily switch between imperial and metric units for field or shop use.

**Highlights:** Offset calculators (basic, rolling, parallel), Back-to-back fitting solutions, Elbow miter cut and triangle solver, Imperial and metric unit switching, Designed for iPhone and iPad

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pipe Fitting | $4.99 | per 7 days |
| Pipe Fitting | $39.99 | per year |


## Frequently asked questions

### Is Caleffi Pipe Sizer free?

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

### Is Pipe Fitting free?

Pipe Fitting is free to download, with in-app purchases available.

### Which has better reviews, Caleffi Pipe Sizer or Pipe Fitting?

Caleffi Pipe Sizer is rated higher. Caleffi Pipe Sizer averages 5.0 out of 5 from 1 ratings, while Pipe Fitting averages 4.6 from 116 ratings.

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

Pipe Fitting shows ads; Caleffi Pipe Sizer does not.

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

Caleffi Pipe Sizer ships an update every 7 months, and Pipe Fitting every 5 days. Most recently, Caleffi Pipe Sizer was updated on October 2, 2026 and Pipe Fitting on October 10, 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.*