# ビノバ 理科 vs 小学4年生 漢字ゲーム｜スペースバスター

The clearest difference is in-app purchases: ビノバ 理科 at none against 小学4年生 漢字ゲーム｜スペースバスター's 1. 小学4年生 漢字ゲーム｜スペースバスター's advantage is update cadence (fortnightly vs every 6 months) and iOS requirement (12.0 vs 15.6). On price, ads and device support there is nothing between them.

Both are free to download. 小学4年生 漢字ゲーム｜スペースバスター sells 1 one-off in-app purchase. ビノバ 理科 asks for nothing beyond the download.

ビノバ 理科 ships an update every 6 months, 小学4年生 漢字ゲーム｜スペースバスター fortnightly. The most recent releases landed on September 23, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | ビノバ 理科 | 小学4年生 漢字ゲーム｜スペースバスター |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id876797088/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 6 months | **Fortnightly** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 201 MB | 115 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [funspire, Inc.](https://appshunter.io/developer/928040148) | [Junpei Shimotsu](https://appshunter.io/developer/882299124) |

## What reviewers say

### ビノバ 理科

[App page](https://appshunter.io/ios/app/id876797088)

This app offers a comprehensive science review for 4th graders, featuring over 300 multiple-choice questions covering all curriculum units. It motivates children to study through a fun monster collection reward system, making it a great alternative to traditional workbooks.

**Highlights:** Covers all 4th-grade science units, Over 300 multiple-choice questions, Unit selection for targeted review, Monster collection for motivation, Suitable for iPad and iPhone

**In-app purchases:** none


### 小学4年生 漢字ゲーム｜スペースバスター

[App page](https://appshunter.io/ios/app/4/id1582766158)

This app makes learning 202 kanji characters for 4th graders fun through a space-themed game. Answer meteorite quiz questions to practice reading and vocabulary, with automatic recording of mistakes for review and handwriting practice.

**Highlights:** Learn 202 kanji for 4th grade, 4-choice quizzes for quick learning, Automatic mistake recording for review, Handwriting practice for retention, 8 planet stages for progression, Treasure collection for replayability

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告削除 | $2.99 | one-time |


## Frequently asked questions

### Is ビノバ 理科 free?

ビノバ 理科 is free to download, with no in-app purchases.

### Is 小学4年生 漢字ゲーム｜スペースバスター free?

小学4年生 漢字ゲーム｜スペースバスター is free to download, with in-app purchases available.

### Do ビノバ 理科 or 小学4年生 漢字ゲーム｜スペースバスター have ads?

Both ビノバ 理科 and 小学4年生 漢字ゲーム｜スペースバスター show ads.

### Which is updated more often, ビノバ 理科 or 小学4年生 漢字ゲーム｜スペースバスター?

ビノバ 理科 ships an update every 6 months, and 小学4年生 漢字ゲーム｜スペースバスター fortnightly. Most recently, ビノバ 理科 was updated on September 23, 2026 and 小学4年生 漢字ゲーム｜スペースバスター on October 1, 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.*