# Arithmetic Workbook DX vs 桜島火山噴火シミュレーション

The clearest difference is in-app purchases: 桜島火山噴火シミュレーション at none against Arithmetic Workbook DX's 11. 桜島火山噴火シミュレーション also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Arithmetic Workbook DX sells 11 one-off in-app purchases. 桜島火山噴火シミュレーション asks for nothing beyond the download.

## The numbers

| Metric | Arithmetic Workbook DX | 桜島火山噴火シミュレーション |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 14.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | — |
| Monetization | Free with in-app purchases | — |
| Size | 52 MB | 2.0 GB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gloding Inc.](https://appshunter.io/developer/780228385) | [Kento Fukui](https://appshunter.io/developer/852236897) |

## What reviewers say

### Arithmetic Workbook DX

[App page](https://appshunter.io/ios/app/arithmetic-workbook-dx/id780228382)

This app offers a structured arithmetic curriculum for elementary school students, covering six years of learning. It provides daily practice problems, tracks progress, and includes advanced questions to prepare for junior high entrance exams. It's also suitable for adults looking to sharpen their math skills.

**Highlights:** Daily arithmetic problems, Progress tracking and review, Junior high entrance exam preparation, Customizable school settings, Time limits and scoring system, Solutions for all units

**Features:** macOS Compatibility

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| わりざん レベル21~35 | $0.99 | one-time |
| 分数 レベル21~35 | $0.99 | one-time |
| 割合 レベル21~35 | $0.99 | one-time |
| 単位 レベル21~35 | $0.99 | one-time |
| 図形 レベル21~35 | $0.99 | one-time |
| 小数 レベル21~35 | $0.99 | one-time |
| 文章題 レベル21~35 | $0.99 | one-time |
| 比 レベル21~35 | $0.99 | one-time |
| 速さ レベル21~35 | $0.99 | one-time |
| 全単元 レベル6~20パック | $6.99 | one-time |
| 全単元 レベル21~35パック | $6.99 | one-time |


### 桜島火山噴火シミュレーション

[App page](https://appshunter.io/ios/app/id6761150221)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Arithmetic Workbook DX free?

Arithmetic Workbook DX is free to download, with in-app purchases available.

### Is 桜島火山噴火シミュレーション free?

桜島火山噴火シミュレーション is free to download, with no in-app purchases.

### Do Arithmetic Workbook DX or 桜島火山噴火シミュレーション have ads?

Arithmetic Workbook DX shows ads; 桜島火山噴火シミュレーション does not.

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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.*