Comparison

Dual N vs Memory Tap Challenge

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

Memory Tap Challenge

Test your focus, recall, and reaction with this engaging memory game. Watch sequences, remember numbers, and tap them back in order. Offers multiple modes and customization options for a fun challenge.

Highlights
  • Classic memory sequence gameplay
  • Reverse mode
  • Daily challenge mode
  • Coins and hints
  • Customizable themes and settings
  • Fast gameplay
Features
Read full description

Memory Tap Challenge is a simple and fun memory game designed to test your focus, recall, and reaction. Watch the sequence, remember the numbers, and tap them back in the correct order. Play Classic Mode, try Reverse Mode, or take on the Daily Challenge. Features: - Classic memory sequence gameplay - Reverse mode for an extra challenge - Daily challenge mode - Coins, hints, and reveal assistance - Color themes, sound, and vibration settings - Simple, clean, and fast gameplay

Screenshots

Dual N4 screens
Memory Tap Challenge4 screens

Verdict

The call

The clearest difference is review sentiment: Memory Tap Challenge at 100% against Dual N's 51%. Memory Tap Challenge also leads on in-app purchases (none vs 2) and update cadence (daily vs fortnightly). Dual N's advantage is ratings volume (376 vs 1). On price, ads, device support and iOS requirement 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. Memory Tap Challenge asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Memory Tap Challenge holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Dual N has 376 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 51% of Dual N's written reviews are positive against 100% of Memory Tap Challenge's.

UpkeepUpdate frequency

Dual N ships an update fortnightly, Memory Tap Challenge daily. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

Scorecard6 real differences · 4 level
Dual N versus Memory Tap Challenge: the parameters behind the verdict, then further details
ParameterDual NMemory Tap Challenge
PriceFreeFree
Rating4.6 (376 ratings)5.0 (1 ratings) — better
Positive reviews50.9% of reviews100.0% of reviews — better
Number of ratings376 — better1
Update frequencyFortnightlyDaily — better
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.015.0
Further details — not scored
Size199 MB8 MB
Age rating4+4+
DeveloperGOKAKU SUPPLI, LIMITED LIABILITY CO.Behrooz Amerishahrabi

Customer experience

Dual N

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

Memory Tap Challenge

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
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
None

Memory Tap Challenge

No in-app purchases

Questions

Is Dual N free?
Dual N is free to download, with in-app purchases available.
Is Memory Tap Challenge free?
Memory Tap Challenge is free to download, with no in-app purchases.
Which has better reviews, Dual N or Memory Tap Challenge?
Memory Tap Challenge is rated higher. Dual N averages 4.6 out of 5 from 376 ratings, while Memory Tap Challenge averages 5.0 from 1 ratings.
Do Dual N or Memory Tap Challenge have ads?
Both Dual N and Memory Tap Challenge show ads.
Which is updated more often, Dual N or Memory Tap Challenge?
Dual N ships an update fortnightly, and Memory Tap Challenge daily. Most recently, Dual N was updated on November 3, 2026 and Memory Tap Challenge on October 31, 2026.

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