---
title: "1分暗算 - 計算練習と脳トレ - Reviews, Revenue and Downloads in Japan | Apple App Store"
description: "毎日1分暗算をして脳トレしましょう。 子供が計算を覚えるのにも役立ちます。"
---

# 1分暗算 - 計算練習と脳トレ — Japan
> 毎日1分で脳のトレーニング

![1分暗算 App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/7e/85/29/7e8529de-91d3-5c8a-236c-11441dd311bf/AppIcon-0-0-1x_U007emarketing-0-8-0-85-220.png/434x0w.png)

**Developer:** [Hirokazu Uno](https://apptail.io/developer/hirokazu-uno-ZfIb)
**Category:** Education
**Rating:** 4.4/5 (48 ratings)
**Price:** Free
**Bundle ID:** com.pag3dev.MentalArithmetic
**Store:** Apple App Store
**Country:** Japan
**Version:** 1.14 (released 2025-05-27)
**Original Release:** 2021-06-24
**Languages:** English, Japanese

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/jp/app/app/id1573246963)
**AppTail Page:** [https://apptail.io/app/1-minute-mental-arithmetic-Opnj/japan](https://apptail.io/app/1-minute-mental-arithmetic-Opnj/japan)

## 1分暗算 Description
毎日1分暗算をして脳トレしましょう。
子供が計算を覚えるのにも役立ちます。

## 1分暗算 Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource116/v4/65/8b/85/658b8533-2023-080a-e72b-ae5116b63669/0ef1200b-0b27-47c8-8b24-018e6d0ac020_iPhone12ProMax_japanese_edit_1.png/1284x2778.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource126/v4/10/53/7f/10537fae-fabe-554e-6114-dda76653beb5/1fbc099d-6faf-4ae0-83d9-c0fa71605534_iPhone12ProMax_japanese_edit_2.png/1284x2778.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource126/v4/aa/98/d9/aa98d983-d3f8-84b4-1868-7a74f4eb8ebc/fd35af1b-32fc-4224-a5de-d44a4b8dabab_iPhone12ProMax_japanese_edit_3.png/1284x2778.png)

## 1分暗算 Rating Breakdown in Japan
- 5 stars: 29 (60%)
- 4 stars: 10 (21%)
- 3 stars: 7 (15%)
- 2 stars: 1 (2%)
- 1 stars: 1 (2%)




## 1分暗算 Discovered Keywords
- 1分暗算
- 計算練習と脳トレ

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## 1分暗算 Available In
- [Japan](https://apptail.io/app/1-minute-mental-arithmetic-Opnj/japan)
- [United States](https://apptail.io/app/1-minute-mental-arithmetic-Opnj/united-states)
- [India](https://apptail.io/app/1-minute-mental-arithmetic-Opnj/india)
- [Australia](https://apptail.io/app/1-minute-mental-arithmetic-Opnj/australia)
- [Canada](https://apptail.io/app/1-minute-mental-arithmetic-Opnj/canada)
- [Peru](https://apptail.io/app/1-minute-mental-arithmetic-Opnj/peru)
- [South Korea](https://apptail.io/app/1-minute-mental-arithmetic-Opnj/south-korea)
- [Azerbaijan](https://apptail.io/app/1-minute-mental-arithmetic-Opnj/azerbaijan)
- [Vietnam](https://apptail.io/app/1-minute-mental-arithmetic-Opnj/vietnam)
- [Ecuador](https://apptail.io/app/1-minute-mental-arithmetic-Opnj/ecuador)
- [Algeria](https://apptail.io/app/1-minute-mental-arithmetic-Opnj/algeria)
- [Egypt](https://apptail.io/app/1-minute-mental-arithmetic-Opnj/egypt)
- [Hong Kong SAR China](https://apptail.io/app/1-minute-mental-arithmetic-Opnj/hong-kong)
- [Indonesia](https://apptail.io/app/1-minute-mental-arithmetic-Opnj/indonesia)
- [Israel](https://apptail.io/app/1-minute-mental-arithmetic-Opnj/israel)
- [Jamaica](https://apptail.io/app/1-minute-mental-arithmetic-Opnj/jamaica)
- [Jordan](https://apptail.io/app/1-minute-mental-arithmetic-Opnj/jordan)
- [Kuwait](https://apptail.io/app/1-minute-mental-arithmetic-Opnj/kuwait)
- [Kazakhstan](https://apptail.io/app/1-minute-mental-arithmetic-Opnj/kazakhstan)
- [Lebanon](https://apptail.io/app/1-minute-mental-arithmetic-Opnj/lebanon)
- [Madagascar](https://apptail.io/app/1-minute-mental-arithmetic-Opnj/madagascar)
- [Mexico](https://apptail.io/app/1-minute-mental-arithmetic-Opnj/mexico)
- [Malaysia](https://apptail.io/app/1-minute-mental-arithmetic-Opnj/malaysia)
- [Nigeria](https://apptail.io/app/1-minute-mental-arithmetic-Opnj/nigeria)
- [Nepal](https://apptail.io/app/1-minute-mental-arithmetic-Opnj/nepal)
- [New Zealand](https://apptail.io/app/1-minute-mental-arithmetic-Opnj/new-zealand)
- [Oman](https://apptail.io/app/1-minute-mental-arithmetic-Opnj/oman)
- [Panama](https://apptail.io/app/1-minute-mental-arithmetic-Opnj/panama)
- [Philippines](https://apptail.io/app/1-minute-mental-arithmetic-Opnj/philippines)
- [Pakistan](https://apptail.io/app/1-minute-mental-arithmetic-Opnj/pakistan)
- [Qatar](https://apptail.io/app/1-minute-mental-arithmetic-Opnj/qatar)
- [Saudi Arabia](https://apptail.io/app/1-minute-mental-arithmetic-Opnj/saudi-arabia)
- [Singapore](https://apptail.io/app/1-minute-mental-arithmetic-Opnj/singapore)
- [Thailand](https://apptail.io/app/1-minute-mental-arithmetic-Opnj/thailand)
- [Taiwan](https://apptail.io/app/1-minute-mental-arithmetic-Opnj/taiwan)
- [Uzbekistan](https://apptail.io/app/1-minute-mental-arithmetic-Opnj/uzbekistan)
- [United Arab Emirates](https://apptail.io/app/1-minute-mental-arithmetic-Opnj/united-arab-emirates)
- [South Africa](https://apptail.io/app/1-minute-mental-arithmetic-Opnj/south-africa)
- [Armenia](https://apptail.io/app/1-minute-mental-arithmetic-Opnj/armenia)
- [Argentina](https://apptail.io/app/1-minute-mental-arithmetic-Opnj/argentina)
- [Bahrain](https://apptail.io/app/1-minute-mental-arithmetic-Opnj/bahrain)
- [Brunei](https://apptail.io/app/1-minute-mental-arithmetic-Opnj/brunei)
- [Brazil](https://apptail.io/app/1-minute-mental-arithmetic-Opnj/brazil)
- [Chile](https://apptail.io/app/1-minute-mental-arithmetic-Opnj/chile)
- [China](https://apptail.io/app/1-minute-mental-arithmetic-Opnj/china)
- [Colombia](https://apptail.io/app/1-minute-mental-arithmetic-Opnj/colombia)
- [Dominican Republic](https://apptail.io/app/1-minute-mental-arithmetic-Opnj/dominican-republic)

---

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