---
title: "脳トレ21 -ブラックジャック風計算脳トレパズル- - Reviews, Revenue and Downloads in Japan | Apple App Store"
description: "足して21の数字をつくれ！ ブラックジャック風新感覚脳トレパズルです。 簡単操作のゲームであなたの脳年齢を診断します。  「脳トレ21」はシンプルでハマり度120%の脳トレゲームです。 操作方法は数字をタップするだけ！  遊べば遊ぶほど脳が活性化されます。 あなたの脳は何歳ですか？？"
---

# 脳トレ21 -ブラックジャック風計算脳トレパズル- — Japan
> 足して21をつくれ！計算パズル

![脳トレ21 App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple114/v4/6e/11/a2/6e11a2c9-8a98-645d-3144-f3bd3e38c7e2/AppIcon-0-0-1x_U007emarketing-0-0-0-7-0-0-sRGB-0-0-0-GLES2_U002c0-512MB-85-220-0-0.png/434x0w.png)

**Developer:** [ZERONE](https://apptail.io/developer/zerone-vge) (Japan)
**Category:** Games
**Rating:** 3.6/5 (81 ratings)
**Price:** Free
**Bundle ID:** com.navdy.noutore21
**Store:** Apple App Store
**Country:** Japan
**Version:** 1.0.9 (released 2021-03-16)
**Original Release:** 2019-07-25
**Languages:** English

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/jp/app/app/id1471846944)
**AppTail Page:** [https://apptail.io/app/21-cRri/japan](https://apptail.io/app/21-cRri/japan)

## 脳トレ21 Description
足して21の数字をつくれ！
ブラックジャック風新感覚脳トレパズルです。
簡単操作のゲームであなたの脳年齢を診断します。

「脳トレ21」はシンプルでハマり度120%の脳トレゲームです。
操作方法は数字をタップするだけ！

遊べば遊ぶほど脳が活性化されます。
あなたの脳は何歳ですか？？


## 脳トレ21 Rating Breakdown in Japan
- 5 stars: 28 (35%)
- 4 stars: 16 (20%)
- 3 stars: 23 (28%)
- 2 stars: 4 (5%)
- 1 stars: 10 (12%)

## 脳トレ21 Reviews in Japan

### *---- "は？"
合計21になる数字を選ぶってやつブラックジャック風って書いてあったから絵札全部10かと思ったら普通に違うしブラックジャック要素が21オーバーしたらアウトってだけなのがほんとに草
-- あえいうとせすねつえほゆ, 2020-06-13

[View all 脳トレ21 reviews and detailed analytics on AppTail](https://app.apptail.io/signup?utm_campaign=ai-crawl&utm_content=reviews)




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## 脳トレ21 Available In
- [Japan](https://apptail.io/app/21-cRri/japan)
- [Thailand](https://apptail.io/app/21-cRri/thailand)
- [Austria](https://apptail.io/app/21-cRri/austria)
- [Azerbaijan](https://apptail.io/app/21-cRri/azerbaijan)
- [Belgium](https://apptail.io/app/21-cRri/belgium)
- [Brazil](https://apptail.io/app/21-cRri/brazil)
- [Belarus](https://apptail.io/app/21-cRri/belarus)
- [Canada](https://apptail.io/app/21-cRri/canada)
- [Switzerland](https://apptail.io/app/21-cRri/switzerland)
- [Chile](https://apptail.io/app/21-cRri/chile)
- [China](https://apptail.io/app/21-cRri/china)
- [Colombia](https://apptail.io/app/21-cRri/colombia)
- [Czechia](https://apptail.io/app/21-cRri/czechia)
- [Germany](https://apptail.io/app/21-cRri/germany)
- [Denmark](https://apptail.io/app/21-cRri/denmark)
- [Dominican Republic](https://apptail.io/app/21-cRri/dominican-republic)
- [Algeria](https://apptail.io/app/21-cRri/algeria)
- [Ecuador](https://apptail.io/app/21-cRri/ecuador)
- [Egypt](https://apptail.io/app/21-cRri/egypt)
- [Spain](https://apptail.io/app/21-cRri/spain)
- [France](https://apptail.io/app/21-cRri/france)
- [United Kingdom](https://apptail.io/app/21-cRri/united-kingdom)
- [Greece](https://apptail.io/app/21-cRri/greece)
- [Hungary](https://apptail.io/app/21-cRri/hungary)
- [Israel](https://apptail.io/app/21-cRri/israel)
- [India](https://apptail.io/app/21-cRri/india)
- [Iceland](https://apptail.io/app/21-cRri/iceland)
- [Italy](https://apptail.io/app/21-cRri/italy)
- [Kuwait](https://apptail.io/app/21-cRri/kuwait)
- [Kazakhstan](https://apptail.io/app/21-cRri/kazakhstan)
- [Lebanon](https://apptail.io/app/21-cRri/lebanon)
- [Madagascar](https://apptail.io/app/21-cRri/madagascar)
- [Malta](https://apptail.io/app/21-cRri/malta)
- [Mexico](https://apptail.io/app/21-cRri/mexico)
- [Malaysia](https://apptail.io/app/21-cRri/malaysia)
- [Nigeria](https://apptail.io/app/21-cRri/nigeria)
- [Netherlands](https://apptail.io/app/21-cRri/netherlands)
- [New Zealand](https://apptail.io/app/21-cRri/new-zealand)
- [United Arab Emirates](https://apptail.io/app/21-cRri/united-arab-emirates)
- [Pakistan](https://apptail.io/app/21-cRri/pakistan)
- [Poland](https://apptail.io/app/21-cRri/poland)
- [Portugal](https://apptail.io/app/21-cRri/portugal)
- [Saudi Arabia](https://apptail.io/app/21-cRri/saudi-arabia)
- [Sweden](https://apptail.io/app/21-cRri/sweden)
- [Singapore](https://apptail.io/app/21-cRri/singapore)
- [Slovenia](https://apptail.io/app/21-cRri/slovenia)
- [Türkiye](https://apptail.io/app/21-cRri/turkey)
- [Taiwan](https://apptail.io/app/21-cRri/taiwan)
- [United States](https://apptail.io/app/21-cRri/united-states)
- [Peru](https://apptail.io/app/21-cRri/peru)
- [Argentina](https://apptail.io/app/21-cRri/argentina)
- [Vietnam](https://apptail.io/app/21-cRri/vietnam)

---

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