Awesome!
日本語だけではなく英語でも訳して頂けるともっと沢山の方々が楽しめると思います!

Archived App
This is an archived listing of the app previously available on the App Store.This game utilizes the scientifically proven Dual N-Back method to enhance cognitive functions like IQ and working memory. It offers adjustable difficulty levels, timed training modes, and competitive ranking to help users improve their problem-solving skills through daily practice.
1.3.0
January 25, 2019
・ 難易度 11, 12, 13 を追加しました。 ・その他軽微なバグ修正を行いました。
DNB is a brain training game based on the scientifically validated Dual N-Back method, designed to improve IQ, working memory, and cognitive functions. It was created by mentalist DaiGo and his brother.
Yes, DNB is designed to improve IQ. A study by the University of Michigan showed a 5-point increase in problem-solving IQ after one month of daily 15-minute training with the N-Back task.
DNB offers 13 levels of difficulty, allowing users to start at a level that suits them and gradually progress. Initially, even level 2 might feel challenging, but consistent practice helps users advance.
The description mentions a 'fixed number of questions' training mode, suggesting it can be played without a constant internet connection, making it suitable for playing on the go.
The provided data does not specify if DNB contains advertisements. However, it is listed as a free application.
DNB is available on iPhone, iPad, and iPod, indicating compatibility with Apple's iOS ecosystem.
The latest version of DNB is 1.3.0, which was last updated on January 25, 2019. This suggests infrequent updates.
DNB has an age rating of 4+, making it suitable for children and adults alike.