# よくわかる算数小学４年（ダンケ） vs AroundPrefecture

The clearest difference is in-app purchases: AroundPrefecture at none against よくわかる算数小学４年（ダンケ）'s 1. AroundPrefecture also leads on update cadence (every 5 months vs every 18 months). よくわかる算数小学４年（ダンケ）'s advantage is iOS requirement (13.5 vs 16.4). On price, ads and device support there is nothing between them.

Both are free to download. よくわかる算数小学４年（ダンケ） sells 1 one-off in-app purchase. AroundPrefecture asks for nothing beyond the download.

よくわかる算数小学４年（ダンケ） ships an update every 18 months, AroundPrefecture every 5 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | よくわかる算数小学４年（ダンケ） | AroundPrefecture |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 18 months | **Every 5 months** |
| Size | 25 MB | 17 MB |
| Requires iOS | **13.5** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Norio Takeda](https://appshunter.io/developer/1485221811) | [Motonari Hibi](https://appshunter.io/developer/386737172) |

## What reviewers say

### よくわかる算数小学４年（ダンケ）

[App page](https://appshunter.io/ios/app/id1532071298)

**Features:** macOS Compatibility

**In-app purchases (1)**

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


### AroundPrefecture

[App page](https://appshunter.io/ios/app/aroundprefecture/id1643742735)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is よくわかる算数小学４年（ダンケ） free?

よくわかる算数小学４年（ダンケ） is free to download, with in-app purchases available.

### Is AroundPrefecture free?

AroundPrefecture is free to download, with no in-app purchases.

### Do よくわかる算数小学４年（ダンケ） or AroundPrefecture have ads?

Neither よくわかる算数小学４年（ダンケ） nor AroundPrefecture shows ads.

### Which is updated more often, よくわかる算数小学４年（ダンケ） or AroundPrefecture?

よくわかる算数小学４年（ダンケ） ships an update every 18 months, and AroundPrefecture every 5 months. Most recently, よくわかる算数小学４年（ダンケ） was updated on November 3, 2026 and AroundPrefecture on October 30, 2026.

---

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