Comparison

Brain Wars vs Dual N

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

Brain Wars

Engage in real-time competitive brain training against players worldwide. Solve simple puzzles to outscore opponents, climb global rankings, and challenge friends. Improve your mental concentration and adaptability through continuous, intuitive challenges suitable for all ages.

Highlights
  • Real-time global battles
  • Challenge friends
  • Worldwide rankings
  • Simple brain teasers
  • Intuitive training
  • Adaptable challenges
Features
Read full description

Over 20 million downloads! ◇◆Competitive Brain Training Game◆◇ Increase your brain power and compete against players from around the world! Experience the heated battle that will keep you on your toes! Highly rated by players who enjoy Puzzles Crosswords, Sudoku, and other brain teasers! ▼The Rules ・Outscore your opponents with simple brain teasers! ・Defeat them and climb the worldwide rankings! ・Challenge your friends with real-time matches! ・Increase your Brain Power through continuous challenges! ◆Real-Time Battle Experience Compete with worldwide challengers―LIVE! Test your opponents and push your brain to its limit! ◆Play With Friends! Invite your friends for double the fun! Connect through FaceBook and challenge everyone! ◆Strive For World-class Rankings The stage is the world―Play against players from around the globe and place on the worldwide ranking! ◆Simple & Intuitive Brain Training! Easy to understand mental training rules and concepts suitable for all ages! ◆The key to matches? Brain Teasers don't contain certain subjects or languages! Train your brain and easily adapt through repetition! ◆New and Updates ・Official FaceBook Page https://www.facebook.com/brainwars ・Official Twitter https://twitter.com/brainwars_jp ▼Details BrainWars is a mental concentration battle game for players from around the world. Players of all ages can participate in this through simple brain teasers and compete with each other. Brain Teasers do not require special knowledge so everyone can improve their brain function through repetition and adaptation.

About

Dual N

This app is a brain game designed to improve working memory and cognitive skills through a challenging memory-training exercise. It offers customizable difficulty, goal setting, and global leaderboards to track progress. An ad-free experience is available via a subscription.

Highlights
  • Working memory training
  • Customizable difficulty (N-value, interval, session length)
  • Goal setting and reminders
  • Global leaderboards
  • Multilingual support
  • Ad-free Pro version
Features
Read full 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!

Screenshots

Brain Wars4 screens
Dual N4 screens

Verdict

The call

The clearest difference is update cadence: Dual N at fortnightly against Brain Wars's every 6 weeks. Brain Wars's advantage is review sentiment (65% vs 51%) and ratings volume (2.5K vs 376). On price, rating, ads and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Brain Wars sells 8 one-off in-app purchases and Dual N sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.6 for Brain Wars against 4.6 for Dual N. That said, the two scores are not equally well evidenced: Brain Wars has 2.5K ratings behind it against 376, so its average is the more settled of the two. Written reviews are what separate them: 65% of Brain Wars's written reviews are positive against 51% of Dual N's.

UpkeepUpdate frequency

Brain Wars ships an update every 6 weeks, Dual N fortnightly. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

Scorecard3 real differences · 7 level
Brain Wars versus Dual N: the parameters behind the verdict, then further details
ParameterBrain WarsDual N
PriceFreeFree
Rating4.6 (2.5K ratings)4.6 (376 ratings) — better
Positive reviews64.8% of reviews — better50.9% of reviews
Number of ratings2.5K — better376
Update frequencyEvery 6 weeksFortnightly — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.615.0 — better
Further details — not scored
Size63 MB199 MB
Age rating4+4+
DeveloperTranslimit, Inc.GOKAKU SUPPLI, LIMITED LIABILITY CO.

Customer experience

Brain Wars

All ratings2,486 ratings
Positive92.2%
Neutral3.5%
Negative4.3%
Written reviews395 reviews
Positive64.8%
Neutral10.1%
Negative25.1%

Dual N

All ratings362 ratings
Positive88.1%
Neutral5.8%
Negative6.1%
Written reviews110 reviews
Positive50.9%
Neutral20.0%
Negative29.1%

Bugs and requests

Brain Wars

Reported bugs

4 issues
  • Challenges not working properly
  • Crashes when exiting ads
  • Freezing and loading issues
  • Incorrect scoring/stats updates

Requested features

4 requests
  • Offline practice mode
  • Clearer explanation of ranking/scoring system
  • More game variety
  • Ability to challenge friends asynchronously

Dual N

Not enough reviews yet to summarise bugs or requests.

In-app purchases

8 purchases

Brain Wars

One-time8
  • Heal Heart$0.99
  • 20 Coins$1.99
  • Remove Ads Option$3.99
Show 5 more
  • 50 Coins$4.99
  • 120 Coins$11.99
  • 240 Coins$23.99
  • 480 Coins$47.99
  • 750 Coins$74.99
2 purchases

Dual N

Subscriptions1
  • NBack Monthly Subscription3 Days trial$0.991 Month
One-time1
  • Lifetime Pass$12.99

Questions

Is Brain Wars free?
Brain Wars is free to download, with in-app purchases available.
Is Dual N free?
Dual N is free to download, with in-app purchases available.
Which has better reviews, Brain Wars or Dual N?
Dual N is rated higher. Brain Wars averages 4.6 out of 5 from 2.5K ratings, while Dual N averages 4.6 from 376 ratings.
Do Brain Wars or Dual N have ads?
Both Brain Wars and Dual N show ads.
Which is updated more often, Brain Wars or Dual N?
Brain Wars ships an update every 6 weeks, and Dual N fortnightly. Most recently, Brain Wars was updated on October 24, 2026 and Dual N on October 27, 2026.

Other comparisons