# メンテログ vs ダクト圧損計算Pro

The clearest difference is device support: ダクト圧損計算Pro at 2 against メンテログ's —. On price, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | メンテログ | ダクト圧損計算Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | Yes |
| Size | 109 MB | 35 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | — | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ARGAS, K.K.](https://appshunter.io/developer/1638645587) | [takesi shutou](https://appshunter.io/developer/6778977894) |

## What reviewers say

### メンテログ

[App page](https://appshunter.io/ios/app/id1672895877)

**In-app purchases:** none


### 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


## Frequently asked questions

### Is メンテログ free?

メンテログ is free to download, with no in-app purchases.

### 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.

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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.*