脳トレ!Nバック計算アプリ

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Content rating
Everyone
100+
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Content rating
Everyone
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About this app

This is a brain-training game in which you memorize the answers to simple calculation problems that appear one after another, and answer N (number of backs) later.
At first, it starts with a normal 3 back, and if the response rate is 80% or more, it will be ranked up, and if it is 60% or less, it will be ranked down.
Aim for the highest rank.

This app is based on the "N-back task".
N-back tasks are said to train working memory.
This app is recommended for those who want to train their brain.
N-back calculation app. You can train your working memory by answering while remembering the answers to the calculation questions that appear on the exam.
Updated on
Dec 23, 2025

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • This app may share these data types with third parties
    Device or other IDs
  • No data collected
    Learn more about how developers declare collection
  • Data isn’t encrypted
  • Data can’t be deleted

What’s new

SDK更新
Content rating
Everyone
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App support

About the developer
植田謙介
dododoinu@yahoo.co.jp
Japan