# RationalNumberCalculator vs 楽しい 小学校 6年生の算数

The clearest difference is in-app purchases: RationalNumberCalculator at none against 楽しい 小学校 6年生の算数's 1. RationalNumberCalculator also leads on iOS requirement (11.0 vs 13.0). 楽しい 小学校 6年生の算数's advantage is update cadence (every 3 months vs every 9 months) and review sentiment (73% vs 64%). On price, ads and device support there is nothing between them.

Both are free to download. 楽しい 小学校 6年生の算数 sells 1 one-off in-app purchase. RationalNumberCalculator asks for nothing beyond the download.

RationalNumberCalculator ships an update every 9 months, 楽しい 小学校 6年生の算数 every 3 months. The most recent releases landed on October 15, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | RationalNumberCalculator | 楽しい 小学校 6年生の算数 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/rationalnumbercalculator/id998791093/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 63.6% of reviews | **72.7% 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 | 95 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 6年生の算数

[App page](https://appshunter.io/ios/app/6/id1522422671)

This app supports 6th-grade math learning based on the Ministry of Education curriculum. It offers detailed practice by topic, allowing for easy study during short breaks. With explanations for parents and adjustable difficulty levels, it's ideal for both structured learning and focused practice on weak areas.

**Highlights:** Curriculum-based math learning, Topic-specific practice, Parental explanations, Adjustable difficulty levels, Monthly learning schedule guide, Supports various textbooks

**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 6年生の算数 free?

楽しい 小学校 6年生の算数 is free to download, with in-app purchases available.

### Do RationalNumberCalculator or 楽しい 小学校 6年生の算数 have ads?

Both RationalNumberCalculator and 楽しい 小学校 6年生の算数 show ads.

### Which is updated more often, RationalNumberCalculator or 楽しい 小学校 6年生の算数?

RationalNumberCalculator ships an update every 9 months, and 楽しい 小学校 6年生の算数 every 3 months. Most recently, RationalNumberCalculator was updated on October 15, 2026 and 楽しい 小学校 6年生の算数 on October 4, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*