# Arithmetic Workbook DX vs Bunsuu calculator

The clearest difference is in-app purchases: Bunsuu calculator at none against Arithmetic Workbook DX's 11. Arithmetic Workbook DX's advantage is update cadence (fortnightly vs every 2 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. Bunsuu calculator asks for nothing beyond the download.

Arithmetic Workbook DX ships an update fortnightly, Bunsuu calculator every 2 months. The most recent releases landed on October 22, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Arithmetic Workbook DX | Bunsuu calculator |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 14.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 52 MB | 6 MB |
| 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) | [KENTARO UME](https://appshunter.io/developer/764546905) |

## 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 |


### Bunsuu calculator

[App page](https://appshunter.io/ios/app/bunsuu-calculator/id1525584934)

**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 Bunsuu calculator free?

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

### Do Arithmetic Workbook DX or Bunsuu calculator have ads?

Both Arithmetic Workbook DX and Bunsuu calculator show ads.

### Which is updated more often, Arithmetic Workbook DX or Bunsuu calculator?

Arithmetic Workbook DX ships an update fortnightly, and Bunsuu calculator every 2 months. Most recently, Arithmetic Workbook DX was updated on October 22, 2026 and Bunsuu calculator on October 25, 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.*