# ダクト圧損計算Pro vs SetsubiWorks HVAC Sizing Calc

The clearest difference is in-app purchases: ダクト圧損計算Pro at none against SetsubiWorks HVAC Sizing Calc's 2. ダクト圧損計算Pro also leads on iOS requirement (15.1 vs 17.0). SetsubiWorks HVAC Sizing Calc's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. SetsubiWorks HVAC Sizing Calc sells 2 one-off in-app purchases. ダクト圧損計算Pro asks for nothing beyond the download.

## The numbers

| Metric | ダクト圧損計算Pro | SetsubiWorks HVAC Sizing Calc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | — | Every 5 days |
| Size | 35 MB | 2 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [takesi shutou](https://appshunter.io/developer/6778977894) | [MASAYOSHI SUGIMOTO](https://appshunter.io/developer/6808413630) |

## What reviewers say

### ダクト圧損計算Pro

[App page](https://appshunter.io/ios/app/pro/id6797879580)

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

**In-app purchases:** none


### SetsubiWorks HVAC Sizing Calc

[App page](https://appshunter.io/ios/app/setsubiworks-hvac-sizing-calc/id6808413628)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 14-day Trial | Free | one-time |
| 設備Works 製品版 | $3.99 | one-time |


## Frequently asked questions

### Is ダクト圧損計算Pro free?

ダクト圧損計算Pro is free to download, with no in-app purchases.

### Is SetsubiWorks HVAC Sizing Calc free?

SetsubiWorks HVAC Sizing Calc is free to download, with in-app purchases available.

### Do ダクト圧損計算Pro or SetsubiWorks HVAC Sizing Calc have ads?

ダクト圧損計算Pro shows ads; SetsubiWorks HVAC Sizing Calc does not.

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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.*