# Caleffi Pipe Sizer vs Daikin Service

The clearest difference is review sentiment: Caleffi Pipe Sizer at 50% against Daikin Service's 0%. Caleffi Pipe Sizer also leads on iOS requirement (13.0 vs 15.6). Daikin Service's advantage is update cadence (every 3 weeks vs every 7 months). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Caleffi Pipe Sizer ships an update every 7 months, Daikin Service every 3 weeks. Both last shipped on October 2, 2026.

## The numbers

| Metric | Caleffi Pipe Sizer | Daikin Service |
| --- | --- | --- |
| 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 3 weeks** |
| Monetization | Free | Free |
| Size | 44 MB | 165 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Caleffi S.p.A](https://appshunter.io/developer/920722440) | [DaiKin](https://appshunter.io/developer/1500533070) |

## 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


### Daikin Service

[App page](https://appshunter.io/ios/app/daikin-service/id1500533071)

This app is designed for trained and certified technicians to manage service requests for DAIKIN products. It facilitates tracking, navigation, and technical support for warranty, repair, and maintenance tasks.

**Highlights:** Receive service requests, Track service requests, Navigation to customer locations, Fault diagnosis support, Equipment information and technical drawings, Training and incentive policies

**Features:** 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 Daikin Service free?

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

### Do Caleffi Pipe Sizer or Daikin Service have ads?

Neither Caleffi Pipe Sizer nor Daikin Service shows ads.

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

Caleffi Pipe Sizer ships an update every 7 months, and Daikin Service every 3 weeks. Most recently, Caleffi Pipe Sizer was updated on October 2, 2026 and Daikin Service 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.*