# Arithmetic Workbook DX vs さんすうアプリTRUEKAME

The clearest difference is in-app purchases: さんすうアプリTRUEKAME at none against Arithmetic Workbook DX's 11. さんすうアプリTRUEKAME also leads on iOS requirement (11.0 vs 13.0). Arithmetic Workbook DX's advantage is update cadence (fortnightly vs every 8 months). On price, ads and device support there is nothing between them.

Both are free to download. Arithmetic Workbook DX sells 11 one-off in-app purchases. さんすうアプリTRUEKAME asks for nothing beyond the download.

Arithmetic Workbook DX ships an update fortnightly, さんすうアプリTRUEKAME every 8 months. The most recent releases landed on August 13, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Arithmetic Workbook DX | さんすうアプリTRUEKAME |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 14.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Fortnightly** | Every 8 months |
| Monetization | Free with in-app purchases | — |
| Size | 52 MB | 62 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gloding Inc.](https://appshunter.io/developer/780228385) | [Sumie Watanabe](https://appshunter.io/developer/1349237972) |

## 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 |


### さんすうアプリTRUEKAME

[App page](https://appshunter.io/ios/app/truekame/id1589892183)

**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 さんすうアプリTRUEKAME free?

さんすうアプリTRUEKAME is free to download, with no in-app purchases.

### Do Arithmetic Workbook DX or さんすうアプリTRUEKAME have ads?

Both Arithmetic Workbook DX and さんすうアプリTRUEKAME show ads.

### Which is updated more often, Arithmetic Workbook DX or さんすうアプリTRUEKAME?

Arithmetic Workbook DX ships an update fortnightly, and さんすうアプリTRUEKAME every 8 months. Most recently, Arithmetic Workbook DX was updated on August 13, 2026 and さんすうアプリTRUEKAME on September 20, 2026.

---

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