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Dual N-Back: Brain-Training
Boost Your Working Memory & IQ
Information
Apple ID1578693948
Bundle IDcom.goukaku.nback
SellerSeller
Min iOS13.0
Min macOS11.0
Device familiesiphone, ipad, ipod
Released2021-08-05
Copyright© 2021 goukaku appli
Privacy policyLink ↗
Preview 2 platforms
iPhone 8 images
iPad 4 images
What’s New Version 2.18.19
New in this update:
• Spanish language support is now available.
• Feedback timing has been improved for a smoother training experience.
• Notification settings now show the correct on/off status.
• Other bug fixes and improvements.
Description
Dual NBack – Brain Training to Improve Memory
Dual NBack is a fun and challenging brain game designed to strengthen your working memory. Set goals, get reminders, and climb the global leaderboards as you sharpen your mind!
What Is Dual NBack?
Dual NBack is a memory-training game that presents audio (letters) and visual (positions) sequences simultaneously. Research suggests that consistent play may enhance your working memory—the ability to hold and process information briefly—and also boost short-term recall.
How to Play
The game starts at Level N=2, where you need to remember the position (square) and the sound (letter) from two turns back.
If the current position or sound matches what was shown two turns ago, tap the corresponding button.
Strong performance automatically raises your level, but you can manually adjust the difficulty whenever you like.
Key Features
Customizable Settings
Tailor your training: tweak the N-value (number of turns to recall), the interval between sounds/blocks, and session length as you see fit.
Reminders & Goals
Set daily or weekly targets and enable notifications to help you practice consistently.
Global Leaderboards
Compare your scores with players worldwide and see how you rank as you improve.
Share Function
Post your results on social media or messaging apps to challenge your friends and family.
Multilingual Support
Currently offered in English and Japanese, with more languages on the way.
Why Train Your Working Memory?
Working memory stores information for a few seconds to minutes, enabling you to make decisions, perform calculations, or tackle other cognitive tasks. Playing Dual NBack regularly can help strengthen this mental capacity, potentially improving focus, concentration, and overall brain agility.
Ad-Free Experience with Dual NBack Pro
Enjoy a 3-day free trial of Dual NBack Pro to train with no ads or interruptions.
If you choose to purchase Dual NBack Pro, the payment is charged to your iTunes account.
Renewal fees are charged within 24 hours before the current subscription period ends.
You can cancel your subscription anytime:
Go to Settings → tap your name → Subscriptions → locate and cancel the subscription you want to end.
If you don’t cancel before the trial ends, the paid subscription automatically starts.
Privacy Policy: https://goukakuappli.co.jp/privacy
End User License Agreement (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Summary
Strengthen Your Mind: Give your working memory a proven workout.
Adapt the Difficulty: Start at N=2 or set your preferred challenge level.
Stay Motivated: Leverage reminders, goals, and leaderboards to keep pushing your limits.
Go Pro for No Ads: Take advantage of a 3-day free trial and upgrade to an ad-free training experience.
Download Dual NBack now and take your cognitive performance to a new level!
Capabilities
In-App Purchases
Accessibility
ipadiphonemacrealityDevicetvoswatch
Version history 25 versions
Build 888070550v2.18.192026-07-11 21:28:07
New in this update:
• Spanish language support is now available.
• Feedback timing has been improved for a smoother training experience.
• Notification settings now show the correct on/off status.
• Other bug fixes and improvements.
Build 886802404v2.18.142026-06-11 17:23:25
New in this update:
• Fixed an issue where reminder notifications showed text keys instead of the correct localized messages.
• Reminder notifications now display properly in each supported language.
Build 886118398v2.18.122026-06-10 22:06:51
New in this update:
• Improved reminder timing so prompts feel more helpful and less intrusive.
• Updated reminder messages with a more supportive, coach-like tone.
• Separated daily reminders and comeback reminders in settings for easier control.
• Added Vietnamese language support for the game.
• Localized reminder messages and made various localization improvements.
Build 884533702v2.17.272026-05-20 14:52:56
New in this update:
• Improved feedback timing so training feels clearer between rounds.
• Added Korean language support for both the tutorial and in-game text.
• Removed the ads announcement popup for a smoother experience.
• Various localization and UI improvements.
Build 884153675v2.17.152026-04-06 05:55:13
The tutorial is now available in Chinese (Simplified), Japanese, and Hindi
More languages coming soon!
Build 883891373v2.17.122026-03-30 04:22:42
• Resolved an issue where some text was missing in certain languages, which could cause errors in the tutorial
Build 883201555v2.17.012026-03-26 07:14:44
• Added a very simple interactive tutorial to help you get started
• Existing users can access it anytime from the Help / Rules page
• Tutorial is currently available in English only (more languages coming soon)
• General improvements and bug fixes
Getting started with Dual N-Back is now easier than ever!
Build 882593535v2.16.152026-03-03 21:14:28
• Interval range expanded from 1.5–3.0s → 1.0–3.0s
• Maximum session duration increased to 120s
• Fixed interval-related database issue
• Other bug fixes and improvements
More precision. More intensity. More progress.
Build 882396554v2.16.122026-02-16 13:48:48
• Fixed an issue causing interval values to spike unexpectedly
• Monthly plans can now be upgraded to Lifetime
• Other bug fixes and performance improvements
Build 882219100v2.16.72026-02-06 10:18:00
Fixed an interval-related bug that caused the game to end unexpectedly right after starting on some devices.
Build 880508286v2.16.062026-02-04 19:53:16
Silent Mode Audio Fix: Sounds now play correctly even when your device is set to silent mode.
Ad-Free Experience: We’ve removed all third-party ads! You’ll now only see house ads highlighting the benefits of our Dual N-back training.
New: Lifetime Pass! Get permanent access with a one-time purchase.
Note: Currently, active subscribers won’t see this option until their current plan expires. We apologize for the inconvenience and are working on a fix for the next update!
Performance Boosts: Various bug fixes and system improvements for a smoother experience.
Build 880134520v2.15.632025-12-10 07:14:26
Reduced overall app size
Improved start timer synchronization
Other bug fixes and improvements
Build 879664946v2.15.552025-11-26 03:05:51
Bug fixes and other improvements
Build 879538676v2.15.522025-11-09 04:48:48
Bug Fixes
Build 879223941v2.15.512025-10-28 02:46:32
Bug Fixes and Improvements
Build 878721804v2.15.462025-10-13 01:54:19
Bug Fixes and Improvements
Build 878484602v2.15.442025-09-30 00:49:46
Bug Fixes and Improvements
Build 878380367v2.15.362025-09-25 01:01:59
Bug Fixes and Improvements
Build 878314765v2.15.352025-09-23 03:32:35
Bug Fixes and Improvements
Build 878245646v2.15.302025-09-20 02:02:34
Bug Fixes and Improvements
Build 878029562v2.15.242025-09-14 22:46:01
You can now navigate to previous days in Daily Logs
Choose how you view logs: newest first or oldest first
Daily Logs now highlight your highest score of the day
Namaste! Added Hindi localization Other bug fixes and improvements
Build 877205112v2.15.52025-08-14 02:16:59
Bug Fixes and Improvements
Build 876657306v2.15.02025-07-27 04:40:33
New Daily Logs: You can now view data from the games you played today.
Score Calibration: We've fine-tuned the scoring system to better reflect your performance, especially in games with longer duration.
Other improvements and bug fixes: Cleaned up a few bugs and made some UI and behind-the-scene improvements.
Build 875333945v2.14.12025-06-07 01:25:59
Bug Fixes and Improvements
Build 874889197v2.14.02025-05-26 01:31:22
What’s New
Better Nickname Checks: We've added filters to help catch inappropriate nicknames. If your nickname includes certain words or characters, you’ll be asked to update it.
Helpful Sound Reminder: Starting the game with no sound? A friendly popup will now remind you if your phone is muted or the volume is too low.
Plus Small Fixes: We’ve squashed a few bugs and polished things up for smoother gameplay!
No pricing data captured yet — comparisons appear once the app has paid storefronts or in-app purchases.
Availability 1 of 1 storefronts
| Region | Language | Price | Ratings | Avg | Version |
|---|---|---|---|---|---|
US | en-US | Free | 330 | 4.6 | 2.18.19 |
Change log 29 changes · US
✎
releaseNotes updated
New in this update:
• Spanish language support is now available.
• Feedback timing has been improved for a smoother training experience.
• Notification settings
✎
description updated
Dual NBack – Brain Training to Improve Memory
Dual NBack is a fun and challenging brain game designed to strengthen your working memory. Set goals, get reminde
✎
subtitle updated
Boost Your Working Memory & IQ
✎
name updated
Dual N-Back: Brain-Training
◆
Version 2.18.19 released
New in this update:
• Spanish language support is now available.
• Feedback timing has been improved for a smoother training experience.
• Notification settings now show the correct on/off status.
• Other bug fixes and improvements.
◆
Version 2.18.14 released
New in this update:
• Fixed an issue where reminder notifications showed text keys instead of the correct localized messages.
• Reminder notifications now display properly in each supported language.
◆
Version 2.18.12 released
New in this update:
• Improved reminder timing so prompts feel more helpful and less intrusive.
• Updated reminder messages with a more supportive, coach-like tone.
• Separated daily reminders and comeback reminders in settings for easier c
◆
Version 2.17.27 released
New in this update:
• Improved feedback timing so training feels clearer between rounds.
• Added Korean language support for both the tutorial and in-game text.
• Removed the ads announcement popup for a smoother experience.
• Various local
◆
Version 2.17.15 released
The tutorial is now available in Chinese (Simplified), Japanese, and Hindi
More languages coming soon!
◆
Version 2.17.12 released
• Resolved an issue where some text was missing in certain languages, which could cause errors in the tutorial
◆
Version 2.17.01 released
• Added a very simple interactive tutorial to help you get started
• Existing users can access it anytime from the Help / Rules page
• Tutorial is currently available in English only (more languages coming soon)
• General improvements and b
◆
Version 2.16.15 released
• Interval range expanded from 1.5–3.0s → 1.0–3.0s
• Maximum session duration increased to 120s
• Fixed interval-related database issue
• Other bug fixes and improvements
More precision. More intensity. More progress.
◆
Version 2.16.12 released
• Fixed an issue causing interval values to spike unexpectedly
• Monthly plans can now be upgraded to Lifetime
• Other bug fixes and performance improvements
◆
Version 2.16.7 released
Fixed an interval-related bug that caused the game to end unexpectedly right after starting on some devices.
◆
Version 2.16.06 released
Silent Mode Audio Fix: Sounds now play correctly even when your device is set to silent mode.
Ad-Free Experience: We’ve removed all third-party ads! You’ll now only see house ads highlighting the benefits of our Dual N-back training.
New:
◆
Version 2.15.63 released
Reduced overall app size
Improved start timer synchronization
Other bug fixes and improvements
◆
Version 2.15.55 released
Bug fixes and other improvements
◆
Version 2.15.52 released
Bug Fixes
◆
Version 2.15.51 released
Bug Fixes and Improvements
◆
Version 2.15.46 released
Bug Fixes and Improvements
◆
Version 2.15.44 released
Bug Fixes and Improvements
◆
Version 2.15.36 released
Bug Fixes and Improvements
◆
Version 2.15.35 released
Bug Fixes and Improvements
◆
Version 2.15.30 released
Bug Fixes and Improvements
◆
Version 2.15.24 released
You can now navigate to previous days in Daily Logs
Choose how you view logs: newest first or oldest first
Daily Logs now highlight your highest score of the day
Namaste! Added Hindi localization Other bug fixes and improvements
◆
Version 2.15.5 released
Bug Fixes and Improvements
◆
Version 2.15.0 released
New Daily Logs: You can now view data from the games you played today.
Score Calibration: We've fine-tuned the scoring system to better reflect your performance, especially in games with longer duration.
Other improvements and bug fixes:
◆
Version 2.14.1 released
Bug Fixes and Improvements
◆
Version 2.14.0 released
What’s New
Better Nickname Checks: We've added filters to help catch inappropriate nicknames. If your nickname includes certain words or characters, you’ll be asked to update it.
Helpful Sound Reminder: Starting the game with no sound? A