# ダクト圧損計算Pro vs ダクト静圧計算・風量測定

The clearest difference is in-app purchases: ダクト圧損計算Pro at none against ダクト静圧計算・風量測定's 1. ダクト圧損計算Pro also leads on iOS requirement (15.1 vs 18.0). ダクト静圧計算・風量測定's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. ダクト静圧計算・風量測定 sells 1 one-off in-app purchase. 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 | ダクト静圧計算・風量測定 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Size | 35 MB | 5 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [takesi shutou](https://appshunter.io/developer/6778977894) | [Toshihiro Nakao](https://appshunter.io/developer/1866546756) |

## 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


### ダクト静圧計算・風量測定

[App page](https://appshunter.io/ios/app/kazamichi/id6814135543)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kazamichi Pro（買い切り） | $5.99 | 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 ダクト静圧計算・風量測定 free?

ダクト静圧計算・風量測定 is free to download, with in-app purchases available.

### Do ダクト圧損計算Pro or ダクト静圧計算・風量測定 have ads?

ダクト圧損計算Pro shows ads; ダクト静圧計算・風量測定 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.*