---
title: "暗算くん - Reviews, Revenue and Downloads in Hong Kong SAR China | Apple App Store"
description: "暗算くんは、45秒でどれだけ解けるかを競う暗算トレーニングアプリです。 足し算・引き算の問題にテンキーでサクサク回答。 ベストスコアを保存し、Game Centerのオンラインランキングにも登録できます。 日本語/英語対応。"
---

# 暗算くん — Hong Kong SAR China

![暗算くん App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/02/4d/34/024d3411-e543-bbae-dbea-9d87c7cfc756/AppIcon-0-0-1x_U007ephone-0-1-85-220.png/434x0w.png)

**Developer:** [Takashi Shigenaga](https://apptail.io/developer/takashi-shigenaga-iEjg) (Japan)
**Category:** Education
**Rating:** N/A (0 ratings)
**Price:** Free
**Bundle ID:** takashishigenaga.anzankun
**Store:** Apple App Store
**Country:** Hong Kong SAR China
**Version:** 1.0 (released 2026-03-03)
**Original Release:** 2026-03-03
**Languages:** English, Japanese

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/hk/app/app/id6759855636)
**AppTail Page:** [https://apptail.io/app/app-FsTy/hong-kong](https://apptail.io/app/app-FsTy/hong-kong)

## 暗算くん Description
暗算くんは、45秒でどれだけ解けるかを競う暗算トレーニングアプリです。
足し算・引き算の問題にテンキーでサクサク回答。
ベストスコアを保存し、Game Centerのオンラインランキングにも登録できます。
日本語/英語対応。

## 暗算くん Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/9b/b8/d2/9bb8d216-97f4-b395-94d0-eab60e09e5cc/Simulator_Screenshot_-_iPhone_17_Pro_Max_-_2026-03-01_at_22.04.15.png/1242x2688.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/6a/4d/61/6a4d613f-0a29-14c5-e69f-15b7b5e1ebe7/Simulator_Screenshot_-_iPhone_17_Pro_Max_-_2026-03-01_at_22.04.29.png/1242x2688.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/e5/32/e5/e532e55a-c944-7bd8-e608-602b330c6b5e/Simulator_Screenshot_-_iPhone_17_Pro_Max_-_2026-03-01_at_22.05.10.png/1242x2688.png)







## 暗算くん Available In
- [Argentina](https://apptail.io/app/app-FsTy/argentina)
- [Azerbaijan](https://apptail.io/app/app-FsTy/azerbaijan)
- [Hong Kong SAR China](https://apptail.io/app/app-FsTy/hong-kong)
- [Japan](https://apptail.io/app/app-FsTy/japan)
- [Mexico](https://apptail.io/app/app-FsTy/mexico)
- [New Zealand](https://apptail.io/app/app-FsTy/new-zealand)
- [Saudi Arabia](https://apptail.io/app/app-FsTy/saudi-arabia)
- [Türkiye](https://apptail.io/app/app-FsTy/turkey)
- [South Africa](https://apptail.io/app/app-FsTy/south-africa)

---

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