# ダクト計算 Pro－風量・静圧・ダクト径 vs LoadSizer

ダクト計算 Pro－風量・静圧・ダクト径 and LoadSizer are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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 LoadSizer 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 | LoadSizer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | — |
| Size | 28 MB | 32 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gun woo Kim](https://appshunter.io/developer/1700263119) | [Duong Nguyen Huu](https://appshunter.io/developer/1887479789) |

## 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 |


### LoadSizer

[App page](https://appshunter.io/ios/app/loadsizer-hvac-load-and-btu/id6817009200)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LoadSizer Pro | $2.99 | 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 LoadSizer free?

LoadSizer 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 LoadSizer have ads?

Neither ダクト計算 Pro－風量・静圧・ダクト径 nor LoadSizer 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.*