Dual N-BACK | Brain Training

Training for IQ, Flash Memory

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. --- ■ 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. --- ■ 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. --- ■ 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

  • 4.3
    out of 5
    18 Ratings

Major update Minor bug fixes

Version 3.1.0

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

Privacy practices may vary, for example, based on the features you use or your age. Learn More

The developer indicated that this app supports the following accessibility features. Learn More

  • Supported Features

    • Dark Interface

Information

  • Seller
    • Hiromi Fujita
  • Size
    • 18 MB
  • Category
    • Puzzle
  • Compatibility
    Requires iOS 17.0 or later.
    • iPhone
      Requires iOS 17.0 or later.
  • 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+
  • In-App Purchases
    Yes
  • Copyright
    • © 2021 Hiromi Fujita
  • Developer Website
  • Privacy Policy
  • License Agreement

    • Supports

    • Game Center

      Discover new games and play with friends. This game also features leaderboards.

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