Dual N-Back | ADHD Focus Brain
Dual N-Back | ADHD Focus Brain is made and published by Hiromi Fujita. AppBrain is an independent app data site and isn't affiliated with Hiromi Fujita. The app name, icon, screenshots and description belong to Hiromi Fujita and are shown as published on Google Play.
AppBrain's verdict
Niche- Installs
- 7.1 thousand
- Last updated
- September 10, 2026
- Ads
- Contains ads
- Size
- 23.4 MB
Dual N-Back | ADHD Focus Brain is a niche app, with 7.1 thousand installs. It doesn't have enough ratings yet to judge what users think.
Summary
Dual N-BACK | Brain Training by Hiromi Fujita offers a scientifically verified brain-training experience with adjustable N-back challenges, global rankings, and detailed progress stats. It targets IQ and memory through structured practice and measurable feedback.
Pros & Cons
- Science-backed training targeting IQ and memory
- Adjustable difficulty keeps the challenge appropriate
- Clear stats and global rankings for motivation
- Focused N-back gameplay with structured progress
- No user ratings yet.
- Focus is limited to N-back training with no additional cognitive modules listed.
- Relies on advertising-related permissions and ad IDs for monetization.
User feedback
Ratings and reviews on Google PlayComments on Dual N-Back | ADHD Focus Brain for Android
Store listing
By Hiromi Fujita, from Google Play“Science-based brain training for focus, memory, IQ, and working memory.”
Description by Hiromi Fujita Written by the developer, not by AppBrain. Click to read.
Dual N-Back is a brain training game built on a scientific approach that challenges working memory, memory, focus, attention, and thinking skills.
Easy to play in short daily sessions, it helps strengthen mental speed, information processing, and sustained concentration through consistent practice.
“Struggling to stay focused?” “Want a better memory?” “Looking for a smarter use of spare time?”
This is a simple yet deep training experience designed for exactly that.
It is a great fit for students and professionals who want better performance, as well as people with ADHD tendencies who want to build stronger focus habits and keep up a daily brain-training routine.
■ Recommended for
• People who want to improve focus
• People who want to strengthen memory and working memory
• People who want to train IQ, thinking skills, and attention
• People who want to improve study or work efficiency
• People who want to make brain training a daily habit
• People with ADHD tendencies who want to practice focusing
• People who want serious brain training in short sessions
■ What is Dual N-Back
Dual N-Back is a training game based on a scientific approach that can help strengthen the following brain skills.
• IQ
• Flash memory (instant recall)
• Improved cognitive function
• Working memory
• Focus
• Attention
■ Basic Rules
• Memorize the panels as they appear in order.
• Tap the button that matches the same element shown N steps earlier.
• Press the location button if the position matches, and the letter button if the letter matches.
• This mode continues until you run out of the set number of lives.
• Solve more problems and train your IQ, flash memory, and focus.
■ App Features
• Adjustable difficulty from N-2 to N-5 lets beginners and advanced players train at the right level.
• Check statistics such as accuracy, reaction time, and play count to measure your progress.
• Review your daily training history in a calendar view and track your consistency at a glance.
• See growth over time in graphs, making changes in memory and focus easy to visualize.
• A level-up system helps you stay motivated and turns training into a fun daily habit.
• A clean, distraction-free interface helps you stay immersed in training.
• A serious Dual N-Back brain training app for anyone looking for memory training and focus training.
• Train working memory, memory, attention, focus, and thinking skills in one brain workout.
• Ideal for people who want to improve IQ-related skills and support cognitive performance with science-based brain training.
• Short sessions make it easy to use before studying or work as a quick focus warm-up.
• A daily memory game for anyone who struggles to stay focused, gets distracted easily, or worries about forgetfulness.
• A simple focus training app that can help people with ADHD tendencies build concentration habits and practice consistency.
• One app for memory training, working memory improvement, attention training, and cognitive skill exercises.
• A great choice for anyone looking for a brain game, thinking game, or educational training app.
• Check stats like reaction time and accuracy while visualizing performance and tracking growth.
• Calendar-based training logs help you manage habits, study routines, and self-improvement goals.
• Graphs make it easier to see changes in focus, memory, and training results over time.
• A level-up system adds motivation and makes brain training feel rewarding and fun.
• Great for adding brain games, memory games, and thinking exercises to your daily routine.
• Useful for students who want better study efficiency, professionals who want better focus, and anyone who wants daily brain exercise.
• Dual N-Back trains working memory and attentional control by making you remember and judge at the same time.
• A cognitive brain training app designed for steady practice in short spare moments.
Recent changes:
- Fixed minor bugs
- We will continue improving the app to make it easier to use
Safety and technology
Found in the app by AppBrain- Ads
- Contains ads
- Price
- Free
- Libraries
- ?
- App size
- 23.4 MB
- Content rating
- Everyone
Technologies used by Dual N-Back | ADHD Focus Brain
Releases
Updates seen on Google Play- Version
- 2.1.1
- Launched
- May 2025
Alternatives
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Installs
Tracked by AppBrain- Last 30 days
- 270
- Play install range
- 5+ thousand
- Launched
- May 2025
Installs over time
Dual N-Back | ADHD Focus Brain has been installed 7.1 thousand times. Over the past 30 days, it has been installed 270 times.
Rankings
Google Play top chartsGoogle Play Rankings for Dual N-Back | ADHD Focus Brain
About the app and developer
About Dual N-Back | ADHD Focus Brain
Dual N-Back | ADHD Focus Brain is an education app developed by Hiromi Fujita.
How many times has Dual N-Back | ADHD Focus Brain been installed?
Dual N-Back | ADHD Focus Brain has been installed 7.1 thousand times. In the last 30 days, the app was installed 270 times.
What is the rating of Dual N-Back | ADHD Focus Brain?
Dual N-Back | ADHD Focus Brain has no ratings yet.
Is Dual N-Back | ADHD Focus Brain free?
Dual N-Back | ADHD Focus Brain is free. The app size is 23.43 MB. The latest version available is 2.1.1. The last update was on September 10, 2026.
What are the requirements for Dual N-Back | ADHD Focus Brain?
The app has a content rating of Everyone. The app has been available on Google Play since May 2025.
App Performance Report
Get a detailed PDF report for Dual N-Back | ADHD Focus Brain with download trends, rating history, and key performance statistics — useful for competitive research or tracking your own app. Learn more
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Frequently asked questions about Dual N-Back | ADHD Focus Brain
Is Dual N-Back | ADHD Focus Brain free?
Yes. Dual N-Back | ADHD Focus Brain is free on Google Play.
Is Dual N-Back | ADHD Focus Brain still available?
Yes. Dual N-Back | ADHD Focus Brain is on Google Play, and the last update we saw was on September 10, 2026.
Does Dual N-Back | ADHD Focus Brain contain ads?
Yes. Google Play lists Dual N-Back | ADHD Focus Brain as containing ads.
How large is Dual N-Back | ADHD Focus Brain?
Dual N-Back | ADHD Focus Brain is 23.43 MB.
Is Dual N-Back | ADHD Focus Brain suitable for children?
Google Play rates the content of Dual N-Back | ADHD Focus Brain as suitable for everyone.
How many times has Dual N-Back | ADHD Focus Brain been installed?
Google Play lists 5,000+ installs for Dual N-Back | ADHD Focus Brain.
Who made Dual N-Back | ADHD Focus Brain?
Dual N-Back | ADHD Focus Brain was developed by Hiromi Fujita. It is listed in the education category on Google Play.
What are the best alternatives to Dual N-Back | ADHD Focus Brain?
People looking at Dual N-Back | ADHD Focus Brain also look at these education apps: Mind Master: Brain Training, Dual N-Back: Memory Training, Focus - Brain & Memory Games, Stroop Effect: Brain Training, Brain Games - Memory & Focus.