# exam_calculate vs 楽しい 小学校 4年生 算数(算数ドリル)

exam_calculate and 楽しい 小学校 4年生 算数(算数ドリル) are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. exam_calculate sells 1 one-off in-app purchase and 楽しい 小学校 4年生 算数(算数ドリル) sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 17, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | exam_calculate | 楽しい 小学校 4年生 算数(算数ドリル) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/4/id1301772774/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 69.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | — | Free with in-app purchases |
| Size | 7 MB | 95 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [KENTARO UME](https://appshunter.io/developer/764546905) | [株式会社EIHSOFT](https://appshunter.io/developer/1541782404) |

## What reviewers say

### exam_calculate

[App page](https://appshunter.io/ios/app/exam-calculate/id1265876274)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AD Free | $0.99 | one-time |


### 楽しい 小学校 4年生 算数(算数ドリル)

[App page](https://appshunter.io/ios/app/4/id1301772774)

This app supports 4th-grade math learning based on the Ministry of Education curriculum. It offers easy-to-use practice for specific topics, allowing for focused study during short breaks. Includes explanations for parents and adjustable difficulty levels.

**Highlights:** 4th-grade math curriculum aligned, Topic-specific practice modules, Adjustable difficulty levels, Parental support with explanations, Monthly learning progression guide, Easy-to-use interface

**Features:** Vision Pro support

**In-app purchases (1)**

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


## Frequently asked questions

### Is exam_calculate free?

exam_calculate is free to download, with in-app purchases available.

### Is 楽しい 小学校 4年生 算数(算数ドリル) free?

楽しい 小学校 4年生 算数(算数ドリル) is free to download, with in-app purchases available.

### Do exam_calculate or 楽しい 小学校 4年生 算数(算数ドリル) have ads?

Both exam_calculate and 楽しい 小学校 4年生 算数(算数ドリル) show ads.

### Which is updated more often, exam_calculate or 楽しい 小学校 4年生 算数(算数ドリル)?

exam_calculate ships an update every 3 months, and 楽しい 小学校 4年生 算数(算数ドリル) every 3 months. Most recently, exam_calculate was updated on October 17, 2026 and 楽しい 小学校 4年生 算数(算数ドリル) on October 23, 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.*