NBack Game vs Dual N
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
NBack Game
This game challenges your memory by requiring you to match sounds and positions from a specified number of rounds ago. Regular play has been shown to enhance both short-term and long-term memory recall. Unlock new levels as you successfully complete each stage of increasing difficulty.
- N-back task implementation
- Sound and position matching
- Short and long-term memory improvement
- 25 difficulty levels
- Progressive level unlocking
- In-game tutorial
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NBack game is an implementation of an N-back task where the player needs to match sound and selected position N times ago. It has been proved many times in many types of research that regular playing this type of games help to improve short and long term memory. The game offers 25 rounds with different level of difficulty, you need to decide if the sound or/and position were the same N rounds ago, at the end of the game you will see a summary board with your results. When you complete a level successfully you unlock the next level. If you do not how to play you will find a tutorial explaining how to play with examples.
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.
- Working memory training
- Customizable difficulty (N-value, interval, session length)
- Goal setting and reminders
- Global leaderboards
- Multilingual support
- Ad-free Pro version
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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
Verdict
The clearest difference is review sentiment: NBack Game at 89% against Dual N's 51%. NBack Game also leads on in-app purchases (none vs 2) and ads (none vs shown). Dual N's advantage is ratings volume (376 vs 27). On price, update cadence, 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
Both are free to download. Dual N sells 2 in-app purchases, starting at $0.99 per month. NBack Game asks for nothing beyond the download.
NBack Game 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 27, so its average is the more settled of the two. Written reviews point the same way: 89% of NBack Game's written reviews are positive against 51% of Dual N's.
NBack Game ships an update every 3 weeks, Dual N fortnightly. Both last shipped on November 3, 2026.
| Parameter | NBack Game | Dual N |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (27 ratings) — better | 4.6 (376 ratings) |
| Positive reviews | 89.5% of reviews — better | 50.9% of reviews |
| Number of ratings | 27 | 376 — better |
| Update frequency | Every 3 weeks | Fortnightly — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 19 MB | 199 MB |
| Age rating | 4+ | 4+ |
| Developer | Kornel Miszczak | GOKAKU SUPPLI, LIMITED LIABILITY CO. |
Customer experience
NBack Game
Dual N
In-app purchases
NBack Game
No in-app purchases
Dual N
- NBack Monthly Subscription3 Days trial$0.991 Month
- Lifetime Pass$12.99









