Comparison

Dual N vs MonkeyDo

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

Head to head
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!

About

MonkeyDo

Test your memory and reaction time by memorizing number sequences on a grid and tapping them in order. This addictive puzzle game challenges you to outperform primates with its progressive difficulty and quick gameplay sessions.

Highlights
  • Memorize number positions
  • Tap numbers in sequence
  • Progressive difficulty
  • Quick gameplay sessions
  • Challenge against primate memory
Features
Read full description

MonkeyDo: Can You Beat a Monkey? Watch the numbers appear on the grid, memorize their positions, then tap them in sequence before they disappear. Think you can match a monkey's incredible recall abilities? Challenge yourself in this addictive puzzle game where our primate friends often outperform humans. Features: Progressive difficulty Quick gameplay sessions Perfect for all ages Ready to test your memory against nature's memory masters?

Screenshots

Dual N4 screens
MonkeyDo3 screens

Verdict

The call

The clearest difference is review sentiment: MonkeyDo at 100% against Dual N's 50%. Dual N's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 17.0). On price, update cadence, 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. Dual N sells 2 in-app purchases, starting at $0.99 per month and MonkeyDo sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Dual N ships an update fortnightly, MonkeyDo weekly. The most recent releases landed on September 26, 2026 and September 10, 2026 respectively.

Scorecard3 real differences · 7 level
Dual N versus MonkeyDo: the parameters behind the verdict, then further details
ParameterDual NMonkeyDo
PriceFreeFree
Rating4.6 (335 ratings) — better—
Positive reviews50.5% of reviews100.0% of reviews — better
Number of ratings335 — better—
Update frequencyFortnightlyWeekly — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS13.0 — better17.0
Further details — not scored
Size191 MB13 MB
Age rating4+4+
DeveloperGOKAKU SUPPLI, LIMITED LIABILITY CO.Juan Sebastian Estrada Tun

Customer experience

Dual N

All ratings335 ratings
Positive87.5%
Neutral6.0%
Negative6.6%
Written reviews109 reviews
Positive50.5%
Neutral20.2%
Negative29.4%

MonkeyDo

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

Dual N

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

MonkeyDo

One-time1
  • Ad Free Version$2.99

Questions

Is Dual N free?
Dual N is free to download, with in-app purchases available.
Is MonkeyDo free?
MonkeyDo is free to download, with in-app purchases available.
Do Dual N or MonkeyDo have ads?
Both Dual N and MonkeyDo show ads.
Which is updated more often, Dual N or MonkeyDo?
Dual N ships an update fortnightly, and MonkeyDo weekly. Most recently, Dual N was updated on September 26, 2026 and MonkeyDo on September 10, 2026.

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