# Taco Tools vs Caleffi Pipe Sizer

The clearest difference is review sentiment: Caleffi Pipe Sizer at 50% against Taco Tools's 20%. Caleffi Pipe Sizer also leads on iOS requirement (13.0 vs 15.6). 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.

Taco Tools ships an update every 5 months, Caleffi Pipe Sizer every 7 months. The most recent releases landed on September 18, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Taco Tools | Caleffi Pipe Sizer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/caleffi-pipe-sizer/id1088928458/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 20.0% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 7 months |
| Monetization | Free | Free |
| Size | 52 MB | 44 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Taco, Inc.](https://appshunter.io/developer/461800454) | [Caleffi S.p.A](https://appshunter.io/developer/920722440) |

## What reviewers say

### Taco Tools

[App page](https://appshunter.io/ios/app/taco-tools/id461800450)

Easily select centrifugal pumps for hydronic heating and cooling systems. View pump performance characteristics for specific flow and head conditions. Access Taco product literature and contact technical support directly.

**Highlights:** Centrifugal pump selection, Performance characteristic viewing, Hydronic heating/cooling system application, Access to product literature, Direct technical support contact

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Taco Tools free?

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

### Is Caleffi Pipe Sizer free?

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

### Do Taco Tools or Caleffi Pipe Sizer have ads?

Neither Taco Tools nor Caleffi Pipe Sizer shows ads.

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

Taco Tools ships an update every 5 months, and Caleffi Pipe Sizer every 7 months. Most recently, Taco Tools was updated on September 18, 2026 and Caleffi Pipe Sizer on October 2, 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.*