# ダクト計算 Pro－風量・静圧・ダクト径 vs ダクト静圧計算・風量測定

The clearest difference is iOS requirement: ダクト計算 Pro－風量・静圧・ダクト径 at 15.0 against ダクト静圧計算・風量測定's 18.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. ダクト計算 Pro－風量・静圧・ダクト径 sells 1 one-off in-app purchase and ダクト静圧計算・風量測定 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | ダクト計算 Pro－風量・静圧・ダクト径 | ダクト静圧計算・風量測定 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | — |
| Size | 28 MB | 5 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Gun woo Kim](https://appshunter.io/developer/1700263119) | [Toshihiro Nakao](https://appshunter.io/developer/1866546756) |

## What reviewers say

### ダクト計算 Pro－風量・静圧・ダクト径

[App page](https://appshunter.io/ios/app/pro/id6791592927)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ダクト計算 Pro | $9.99 | one-time |


### 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 ダクト計算 Pro－風量・静圧・ダクト径 free?

ダクト計算 Pro－風量・静圧・ダクト径 is free to download, with in-app purchases available.

### 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 ダクト計算 Pro－風量・静圧・ダクト径 or ダクト静圧計算・風量測定 have ads?

Neither ダクト計算 Pro－風量・静圧・ダクト径 nor ダクト静圧計算・風量測定 shows ads.

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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.*