# DUCTable vs 空気状態の計算

The clearest difference is in-app purchases: DUCTable at none against 空気状態の計算's 2. DUCTable also leads on device support and iOS requirement (13.0 vs 17.4). On price there is nothing between them.

Both are free to download. 空気状態の計算 sells 2 in-app purchases, starting at $0.49 per month. DUCTable asks for nothing beyond the download.

## The numbers

| Metric | DUCTable | 空気状態の計算 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | — |
| Update frequency | Every 3 weeks | — |
| Size | 9 MB | 1 MB |
| Requires iOS | **13.0** | 17.4 |
| Devices | **iPhone, iPod** | — |
| Age rating | 4+ | 17+ |
| Developer | [SHIN NIPPON AIR TECHNOLOGIES CO.,LTD.](https://appshunter.io/developer/1526286874) | [Sho Akita](https://appshunter.io/developer/1743635853) |

## What reviewers say

### DUCTable

[App page](https://appshunter.io/ios/app/ductable/id1526286872)

**Features:** macOS Compatibility

**In-app purchases:** none


### 空気状態の計算

[App page](https://appshunter.io/ios/app/id6504130643)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1ヶ月利用 -アプリ内の計算ツールの利用権- | $0.49 | per month |
| 1年間利用 -アプリ内の計算ツールの利用権- | $4.99 | per year |


## Frequently asked questions

### Is DUCTable free?

DUCTable is free to download, with no in-app purchases.

### Is 空気状態の計算 free?

空気状態の計算 is free to download, with in-app purchases available.

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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.*