# 楽しい 小学校 4年生 算数(算数ドリル) vs うちエコキッズ

The clearest difference is in-app purchases: うちエコキッズ at none against 楽しい 小学校 4年生 算数(算数ドリル)'s 1. うちエコキッズ also leads on ads (none vs shown) and iOS requirement (11.0 vs 13.0). On price, update cadence and device support there is nothing between them.

Both are free to download. 楽しい 小学校 4年生 算数(算数ドリル) sells 1 one-off in-app purchase. うちエコキッズ asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | 楽しい 小学校 4年生 算数(算数ドリル) | うちエコキッズ |
| --- | --- | --- |
| 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 | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 95 MB | 25 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [株式会社EIHSOFT](https://appshunter.io/developer/1541782404) | [Hinodeya Institute for Ecolife Co.](https://appshunter.io/developer/558454967) |

## What reviewers say

### 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 |


### うちエコキッズ

[App page](https://appshunter.io/ios/app/id1538110284)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### 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.

### Is うちエコキッズ free?

うちエコキッズ is free to download, with no in-app purchases.

### Do 楽しい 小学校 4年生 算数(算数ドリル) or うちエコキッズ have ads?

楽しい 小学校 4年生 算数(算数ドリル) shows ads; うちエコキッズ does not.

### Which is updated more often, 楽しい 小学校 4年生 算数(算数ドリル) or うちエコキッズ?

楽しい 小学校 4年生 算数(算数ドリル) ships an update every 3 months, and うちエコキッズ every 3 months. Most recently, 楽しい 小学校 4年生 算数(算数ドリル) was updated on November 3, 2026 and うちエコキッズ on November 3, 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.*