Strong Mind Puzzles vs Dual N
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Strong Mind Puzzles
This game challenges your brain with progressively difficult puzzles designed to enhance cognitive skills. It helps users reduce impulsivity, improve planning, and develop introspection through unique gameplay mechanics.
- Progressively difficult puzzle variations
- Internal dialogue for skill building
- Reduces impulsivity
- Enhances planning behavior
- Encourages introspection
- Error-detection reflex training
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Strong Mind Puzzles update provides progressively difficult variations. This encourages deliberate rehearsal and enhances learning. The rules, graphics, number of icons, and abstract images become more complex. Individuals must use the voice in their head to match the goal and complete the game. The voice in our head (internal dialogue) builds executive skills because it helps: * reduce impulsivity * contributes to planning behavior * encourages introspection and reflection * provides a system to generate alternatives This updates include all previous Strong Mind Puzzle Variations. The user is able to control their starting point and progression. The user has the flexibility of moving between games to individualize their learning experience. — Strong Mind Puzzles is a game designed to challenge your brain. In her 35 years of cognitive restructuring practice, Dr. Markus created a series of paper-and-pencil puzzles to explore new ways to challenge the brain and rehearse cognitive abilities. To reach beyond her clinical practice, these puzzles were converted to a mobile format which provide numerous, varied opportunities for learning. Effective problem-solving and decision-making is based, at least in part, on the number of variables a problem solver or decision maker is capable of evaluating. With deliberate rehearsal, individuals can learn to increase the number of variables that they use to make a decision. -- Why Finding Mistakes Develops Critical Thinking Behaviors Strong Mind Puzzles can help reduce mistakes. Think about what happens when you make a mistake. You become emotionally attached to the mistake. As a result, this emotional investment makes it difficult to examine results objectively. Such reasoning helps explain why we are better at catching other people's mistakes than our own errors. These puzzles give you practice in identifying and learning to anticipate errors. When you are comparing and contrasting images you search for mistakes. With practice, this develops an error-detection reflex.
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 price: Dual N at Free against Strong Mind Puzzles's $29.99. Dual N also leads on rating (4.6 vs 3.8) and ratings volume (379 vs 11). Strong Mind Puzzles's advantage is ads (none vs shown). On review sentiment, in-app purchases and device support 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
Dual N is free to download; Strong Mind Puzzles costs $29.99 up front. Strong Mind Puzzles sells 1 one-off in-app purchase 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.
Dual N holds the better App Store score, 4.6 against 3.8. That said, the two scores are not equally well evidenced: Dual N has 379 ratings behind it against 11, so its average is the more settled of the two. Written reviews point the same way: 45% of Strong Mind Puzzles's written reviews are positive against 51% of Dual N's.
Strong Mind Puzzles ships an update every 5 weeks, Dual N fortnightly. The most recent releases landed on November 1, 2026 and November 7, 2026 respectively.
| Parameter | Strong Mind Puzzles | Dual N |
|---|---|---|
| Price | $29.99 | Free — better |
| Rating | 3.8 (11 ratings) | 4.6 (379 ratings) — better |
| Positive reviews | 45.0% of reviews | 50.9% of reviews — better |
| Number of ratings | 11 | 379 — better |
| Update frequency | Every 5 weeks | Fortnightly — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.2 | 15.0 — better |
| Further details — not scored | ||
| Size | 9 MB | 199 MB |
| Age rating | 4+ | 4+ |
| Developer | Donalee Markus | GOKAKU SUPPLI, LIMITED LIABILITY CO. |
Customer experience
Strong Mind Puzzles
Dual N
In-app purchases
Strong Mind Puzzles
- Levels 4-9$1.99
Dual N
- NBack Monthly Subscription3 Days trial$0.991 Month
- Lifetime Pass$12.99









