# タッチ教科書 小学２年算数 vs 楽しい理科小４（ダンケ）

The clearest difference is iOS requirement: タッチ教科書 小学２年算数 at 12.0 against 楽しい理科小４（ダンケ）'s 18.2. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. タッチ教科書 小学２年算数 sells 2 one-off in-app purchases and 楽しい理科小４（ダンケ） sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

タッチ教科書 小学２年算数 ships an update every 25 months, 楽しい理科小４（ダンケ） every 13 months. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | タッチ教科書 小学２年算数 | 楽しい理科小４（ダンケ） |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 25 months | **Every 13 months** |
| Size | 51 MB | 24 MB |
| Requires iOS | **12.0** | 18.2 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [がくげい](https://appshunter.io/developer/415230275) | [Norio Takeda](https://appshunter.io/developer/1485221811) |

## What reviewers say

### タッチ教科書 小学２年算数

[App page](https://appshunter.io/ios/app/id1279625830)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 7日間お試し | Free | one-time |
| アップグレード | $8.99 | one-time |


### 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 |


## Frequently asked questions

### Is タッチ教科書 小学２年算数 free?

タッチ教科書 小学２年算数 is free to download, with in-app purchases available.

### 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.

### Do タッチ教科書 小学２年算数 or 楽しい理科小４（ダンケ） have ads?

Neither タッチ教科書 小学２年算数 nor 楽しい理科小４（ダンケ） shows ads.

### Which is updated more often, タッチ教科書 小学２年算数 or 楽しい理科小４（ダンケ）?

タッチ教科書 小学２年算数 ships an update every 25 months, and 楽しい理科小４（ダンケ） every 13 months. Most recently, タッチ教科書 小学２年算数 was updated on October 26, 2026 and 楽しい理科小４（ダンケ） on October 27, 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.*