# Arithmetic Workbook DX vs 国語勉強

The clearest difference is in-app purchases: 国語勉強 at none against Arithmetic Workbook DX's 11. Arithmetic Workbook DX's advantage is update cadence (fortnightly vs every 15 months). On price, ads, 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. 国語勉強 asks for nothing beyond the download.

Arithmetic Workbook DX ships an update fortnightly, 国語勉強 every 15 months. The most recent releases landed on August 13, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Arithmetic Workbook DX | 国語勉強 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 14.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Fortnightly** | Every 15 months |
| Monetization | Free with in-app purchases | — |
| Size | 52 MB | 25 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gloding Inc.](https://appshunter.io/developer/780228385) | [Junpei Shimotsu](https://appshunter.io/developer/882299124) |

## 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 |


### 国語勉強

[App page](https://appshunter.io/ios/app/120/id1474757044)

**Features:** macOS Compatibility

**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 国語勉強 free?

国語勉強 is free to download, with no in-app purchases.

### Do Arithmetic Workbook DX or 国語勉強 have ads?

Both Arithmetic Workbook DX and 国語勉強 show ads.

### Which is updated more often, Arithmetic Workbook DX or 国語勉強?

Arithmetic Workbook DX ships an update fortnightly, and 国語勉強 every 15 months. Most recently, Arithmetic Workbook DX was updated on August 13, 2026 and 国語勉強 on September 17, 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.*