# 楽しい理科小４（ダンケ） vs Learning World 2 Pro

The clearest difference is in-app purchases: Learning World 2 Pro at none against 楽しい理科小４（ダンケ）'s 1. Learning World 2 Pro also leads on iOS requirement (11.0 vs 18.2). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 楽しい理科小４（ダンケ） sells 1 one-off in-app purchase. Learning World 2 Pro asks for nothing beyond the download.

楽しい理科小４（ダンケ） ships an update every 13 months, Learning World 2 Pro every 16 months. The most recent releases landed on October 4, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | 楽しい理科小４（ダンケ） | Learning World 2 Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 13 months** | Every 16 months |
| Size | 24 MB | 97 MB |
| Requires iOS | 18.2 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Norio Takeda](https://appshunter.io/developer/1485221811) | [APRICOT PUBLISHING CO., LTD.](https://appshunter.io/developer/1387800869) |

## What reviewers say

### 楽しい理科小４（ダンケ）

[App page](https://appshunter.io/ios/app/id1503349913)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ゴールドコイン | $7.99 | one-time |


### Learning World 2 Pro

[App page](https://appshunter.io/ios/app/learning-world-2-pro/id6477653959)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 楽しい理科小４（ダンケ） free?

楽しい理科小４（ダンケ） is free to download, with in-app purchases available.

### Is Learning World 2 Pro free?

Learning World 2 Pro is free to download, with no in-app purchases.

### Do 楽しい理科小４（ダンケ） or Learning World 2 Pro have ads?

Neither 楽しい理科小４（ダンケ） nor Learning World 2 Pro shows ads.

### Which is updated more often, 楽しい理科小４（ダンケ） or Learning World 2 Pro?

楽しい理科小４（ダンケ） ships an update every 13 months, and Learning World 2 Pro every 16 months. Most recently, 楽しい理科小４（ダンケ） was updated on October 4, 2026 and Learning World 2 Pro on September 20, 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.*