# Arithmetic Workbook DX vs そろばん問題集

The clearest difference is update cadence: Arithmetic Workbook DX at fortnightly against そろばん問題集's every 6 weeks. Arithmetic Workbook DX also leads on iOS requirement (13.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Arithmetic Workbook DX sells 11 one-off in-app purchases and そろばん問題集 sells 1 in-app purchase, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Arithmetic Workbook DX ships an update fortnightly, そろばん問題集 every 6 weeks. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Arithmetic Workbook DX | そろばん問題集 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (5 ratings)](https://appshunter.io/ios/app/id1527023159/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | 14.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Fortnightly** | Every 6 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 52 MB | 6 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Gloding Inc.](https://appshunter.io/developer/780228385) | [takeshi inoue](https://appshunter.io/developer/1452042026) |

## 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 |


### そろばん問題集

[App page](https://appshunter.io/ios/app/id1527023159)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告非表示 | $1.99 | per month |


## Frequently asked questions

### Is Arithmetic Workbook DX free?

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

### Is そろばん問題集 free?

そろばん問題集 is free to download, with in-app purchases available.

### Do Arithmetic Workbook DX or そろばん問題集 have ads?

Both Arithmetic Workbook DX and そろばん問題集 show ads.

### Which is updated more often, Arithmetic Workbook DX or そろばん問題集?

Arithmetic Workbook DX ships an update fortnightly, and そろばん問題集 every 6 weeks. Most recently, Arithmetic Workbook DX was updated on October 22, 2026 and そろばん問題集 on October 24, 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.*