Supported Features
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Dark Interface
Dual N-Back ADHD Focus Game
Memory & focus training game
Only for iPhone
Free · In-App Purchases
iPhone
■ What is Dual N-Back
Dual N-Back is a scientifically proven brain training app that strengthens your working memory, concentration, and cognitive abilities.
With consistent training, it helps improve your IQ, memory, and thinking speed.
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■ Basic Rules
The rules of Dual N-Back are simple, yet your brain works harder the more you play.
* Remember the sequence of positions and letters displayed on the screen.
* When the current position or letter matches the one shown N steps earlier, press the corresponding button.
* Each correct answer sharpens your memory and focus — like a workout for your brain.
* The challenge continues until all lives are lost, testing your concentration and endurance.
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■ Main Features
* Difficulty Adjustment: Choose from N-2 to N-5 and train at your own level.
* Progress Visualization: Track your training volume with graphs and see your improvement through the average correct answers per game.
* Statistics and Calendar: View summarized stats such as play count, accuracy rate, and average score. Review your progress on a calendar to stay motivated.
* Global Ranking: Compete with players around the world and challenge the limits of your brain.
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■ The More You Play, the Stronger Your Brain Becomes
Just a few minutes a day — on your commute or during a break — can make a real difference.
Every session helps your brain grow stronger, step by step.
Take one step today to evolve your mind.
Ratings & Reviews
- This app has not received enough ratings or reviews to display an overview.
- Added an annual plan for Premium features
- Fixed other minor issues
- We will continue improving the app to make it easier to use
The developer, Hiromi Fujita, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Identifiers
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Identifiers
- Usage Data
- Diagnostics
The developer indicated that this app supports the following accessibility features. Learn More
Information
- Provider
- Hiromi Fujita
- Size
- 34 MB
- Category
- Education
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later.
- iPhone
- Languages
English and 23 more
- English, Czech, Danish, Dutch, Finnish, French, German, Greek, Hungarian, Indonesian, Italian, Japanese, Korean, Polish, Portuguese, Romanian, Russian, Simplified Chinese, Slovak, Spanish, Swedish, Traditional Chinese, Turkish, Ukrainian
- Age Rating
4+
- 4+
- Contains
Advertising
- In-App Purchases
Yes
- Annual Premium Features USD 22.99
- Monthly Premium Features USD 1.99
- Copyright
- © 2021 Hiromi Fujita
