# 空気線図Pro 湿り空気線図・空調計算 vs SetsubiWorks HVAC Sizing Calc

The clearest difference is ads: SetsubiWorks HVAC Sizing Calc at none against 空気線図Pro 湿り空気線図・空調計算's shown. 空気線図Pro 湿り空気線図・空調計算's advantage is update cadence (every 3 days vs every 5 days). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. 空気線図Pro 湿り空気線図・空調計算 sells 1 one-off in-app purchase and SetsubiWorks HVAC Sizing Calc sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

空気線図Pro 湿り空気線図・空調計算 ships an update every 3 days, SetsubiWorks HVAC Sizing Calc every 5 days. The most recent releases landed on October 6, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | 空気線図Pro 湿り空気線図・空調計算 | SetsubiWorks HVAC Sizing Calc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Every 5 days |
| Size | 8 MB | 2 MB |
| Requires iOS | 18.2 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [koichi hashimoto](https://appshunter.io/developer/1659408789) | [MASAYOSHI SUGIMOTO](https://appshunter.io/developer/6808413630) |

## What reviewers say

### 空気線図Pro 湿り空気線図・空調計算

[App page](https://appshunter.io/ios/app/pro/id6792616333)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアム | $5.99 | one-time |


### 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 空気線図Pro 湿り空気線図・空調計算 free?

空気線図Pro 湿り空気線図・空調計算 is free to download, with in-app purchases available.

### Is SetsubiWorks HVAC Sizing Calc free?

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

### Do 空気線図Pro 湿り空気線図・空調計算 or SetsubiWorks HVAC Sizing Calc have ads?

空気線図Pro 湿り空気線図・空調計算 shows ads; SetsubiWorks HVAC Sizing Calc does not.

### Which is updated more often, 空気線図Pro 湿り空気線図・空調計算 or SetsubiWorks HVAC Sizing Calc?

空気線図Pro 湿り空気線図・空調計算 ships an update every 3 days, and SetsubiWorks HVAC Sizing Calc every 5 days. Most recently, 空気線図Pro 湿り空気線図・空調計算 was updated on October 6, 2026 and SetsubiWorks HVAC Sizing Calc on October 18, 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.*