# Fractions Pro vs 空気状態の計算

The clearest difference is price: 空気状態の計算 at Free against Fractions Pro's $6.99. Fractions Pro's advantage is in-app purchases (none vs 2) and device support.

空気状態の計算 is free to download; Fractions Pro costs $6.99 up front. 空気状態の計算 sells 2 in-app purchases, starting at $0.49 per month. Fractions Pro asks for nothing beyond the download.

## The numbers

| Metric | Fractions Pro | 空気状態の計算 |
| --- | --- | --- |
| Price | $6.99 | **Free** |
| Rating | **[2.9 (14 ratings)](https://appshunter.io/ios/app/fractions-pro/id756595886/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | 30.8% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | — |
| Update frequency | Every 17 months | — |
| Monetization | Paid | — |
| Size | 12 MB | 1 MB |
| Requires iOS | **11.0** | 17.4 |
| Devices | **iPhone, iPad, iPod, Mac** | — |
| Age rating | 4+ | 17+ |
| Developer | [Intemodino Group s.r.o.](https://appshunter.io/developer/557849644) | [Sho Akita](https://appshunter.io/developer/1743635853) |

## What reviewers say

### Fractions Pro

[App page](https://appshunter.io/ios/app/fractions-pro/id756595886)

This advanced calculator handles complex mathematical operations with fractions, decimals, and integers. It offers intuitive input, trigonometric functions, and conversion capabilities. Easily manage and share your calculation history with multiple display and rounding options.

**Highlights:** Fraction and mixed number calculations, Trigonometric functions (Sin, Cos, Tan), Decimal and fraction conversion, History tape with editing and sharing, Advanced rounding options, Multiple color themes

**Features:** Vision Pro support

**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 Fractions Pro free?

Fractions Pro costs $6.99, 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.*