# よくわかる算数小学３年（ダンケ） vs s＊単位変換

The clearest difference is in-app purchases: s＊単位変換 at none against よくわかる算数小学３年（ダンケ）'s 1. s＊単位変換 also leads on update cadence (every 2 days vs every 30 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. よくわかる算数小学３年（ダンケ） sells 1 one-off in-app purchase. s＊単位変換 asks for nothing beyond the download.

よくわかる算数小学３年（ダンケ） ships an update every 30 months, s＊単位変換 every 2 days. The most recent releases landed on October 10, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | よくわかる算数小学３年（ダンケ） | s＊単位変換 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 30 months | **Every 2 days** |
| Size | 9 MB | 1 MB |
| Requires iOS | **18.2** | 18.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Norio Takeda](https://appshunter.io/developer/1485221811) | [Seigo Mizouchi](https://appshunter.io/developer/1880010064) |

## What reviewers say

### よくわかる算数小学３年（ダンケ）

[App page](https://appshunter.io/ios/app/id1525990429)

**Features:** macOS Compatibility

**In-app purchases (1)**

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


### s＊単位変換

[App page](https://appshunter.io/ios/app/s/id6759642495)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is よくわかる算数小学３年（ダンケ） free?

よくわかる算数小学３年（ダンケ） is free to download, with in-app purchases available.

### Is s＊単位変換 free?

s＊単位変換 is free to download, with no in-app purchases.

### Do よくわかる算数小学３年（ダンケ） or s＊単位変換 have ads?

Neither よくわかる算数小学３年（ダンケ） nor s＊単位変換 shows ads.

### Which is updated more often, よくわかる算数小学３年（ダンケ） or s＊単位変換?

よくわかる算数小学３年（ダンケ） ships an update every 30 months, and s＊単位変換 every 2 days. Most recently, よくわかる算数小学３年（ダンケ） was updated on October 10, 2026 and s＊単位変換 on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*