# RationalNumberCalculator vs 楽しい 小学校 5年生 算数(算数ドリル)

The clearest difference is rating: RationalNumberCalculator at 5.0 against 楽しい 小学校 5年生 算数(算数ドリル)'s 3.0. RationalNumberCalculator also leads on in-app purchases (none vs 1) and ratings volume (6 vs 1). 楽しい 小学校 5年生 算数(算数ドリル)'s advantage is update cadence (every 3 months vs every 9 months). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. 楽しい 小学校 5年生 算数(算数ドリル) sells 1 one-off in-app purchase. RationalNumberCalculator asks for nothing beyond the download.

RationalNumberCalculator holds the better App Store score, 5.0 against 3.0. That said, the two scores are not equally well evidenced: RationalNumberCalculator has 6 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 64% of RationalNumberCalculator's written reviews are positive against 57% of 楽しい 小学校 5年生 算数(算数ドリル)'s.

RationalNumberCalculator ships an update every 9 months, 楽しい 小学校 5年生 算数(算数ドリル) every 3 months. The most recent releases landed on October 15, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | RationalNumberCalculator | 楽しい 小学校 5年生 算数(算数ドリル) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/rationalnumbercalculator/id998791093/reviews)** | [3.0 (1 ratings)](https://appshunter.io/ios/app/5/id1507828276/reviews) |
| Number of ratings | **6** | 1 |
| Positive reviews | **63.6% of reviews** | 57.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 9 months | **Every 3 months** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 4 MB | 96 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jirou Fukuda](https://appshunter.io/developer/689603483) | [株式会社EIHSOFT](https://appshunter.io/developer/1541782404) |

## What reviewers say

### RationalNumberCalculator

[App page](https://appshunter.io/ios/app/rationalnumbercalculator/id998791093)

Perform calculations with fractions, decimals, and mixed numbers. Supports addition, subtraction, multiplication, and division. Results can be displayed in various formats.

**Highlights:** Fraction arithmetic, Decimal and fraction operations, Four arithmetic operations, Display results as decimal, Display results as improper fraction, Display results as mixed fraction

**Features:** macOS Compatibility

**In-app purchases:** none


### 楽しい 小学校 5年生 算数(算数ドリル)

[App page](https://appshunter.io/ios/app/5/id1507828276)

This app supports elementary school students in learning 5th-grade math, following the national curriculum. It offers clear explanations for children's questions and allows for independent learning once concepts are grasped. Practice problems are broken down by topic and difficulty, suitable for quick study sessions.

**Highlights:** Curriculum-aligned 5th-grade math content, Clear explanations for 'why' questions, Parental support features, Topic-specific practice modules, Adjustable difficulty levels, Monthly learning schedule guidance

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告非表示 | $3.99 | one-time |


## Frequently asked questions

### Is RationalNumberCalculator free?

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

### Is 楽しい 小学校 5年生 算数(算数ドリル) free?

楽しい 小学校 5年生 算数(算数ドリル) is free to download, with in-app purchases available.

### Which has better reviews, RationalNumberCalculator or 楽しい 小学校 5年生 算数(算数ドリル)?

RationalNumberCalculator is rated higher. RationalNumberCalculator averages 5.0 out of 5 from 6 ratings, while 楽しい 小学校 5年生 算数(算数ドリル) averages 3.0 from 1 ratings.

### Do RationalNumberCalculator or 楽しい 小学校 5年生 算数(算数ドリル) have ads?

Both RationalNumberCalculator and 楽しい 小学校 5年生 算数(算数ドリル) show ads.

### Which is updated more often, RationalNumberCalculator or 楽しい 小学校 5年生 算数(算数ドリル)?

RationalNumberCalculator ships an update every 9 months, and 楽しい 小学校 5年生 算数(算数ドリル) every 3 months. Most recently, RationalNumberCalculator was updated on October 15, 2026 and 楽しい 小学校 5年生 算数(算数ドリル) on October 7, 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.*