n vs Dual N
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
n
Enhance your working memory with this brain training application. It challenges you to recall past information by selecting difficulty levels and memorizing digits from addition problems.
- Working memory training
- Adjustable difficulty levels (1-10)
- Memorization of addition problem digits
- Tap last digit of previous answers
- N-back exercise implementation
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Good brain trainer app for improving your working memory. ＜ USAGE ＞ 1. Select level (1-10). 2. Memorize the answer of easy addition for the level times. 3. Continue memorizing and tap the last digit of the answer of n times before (NOT current answer). If you don't know what is N-Back, please see below. http://en.wikipedia.org/wiki/N-back
Dual N
This app offers brain-training exercises to enhance working memory, concentration, and problem-solving skills. It features multiple N-back modes, progress tracking, and customizable sessions in a user-friendly interface.
- Dual, Triple & Quad N-Back modes
- Cognitive performance enhancement
- Progress tracking and statistics
- Customizable training sessions
- User-friendly interface
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Dual N-Back, Triple N-Back, or go Quad N-Back for extreme challenge. Elevate your cognitive performance with N Back Extreme – the ultimate brain-training app designed to enhance your working memory. Whether you’re looking to Boost your concentration, Improve your problem-solving skills, or just Challenge your mind, N Back Extreme offers a fun and engaging way to reach your goals. Key Features: Multiple Modes: Choose from dual, triple, or quad n-back challenges that adjust to your skill level and push your memory to new limits. Progress Tracking: Stay motivated by viewing detailed statistics of your progress. Monitor your performance over time and watch your cognitive skills improve. Customisable Sessions: Tailor your training sessions to suit your pace and preferences. User-Friendly Interface: Enjoy a sleek and intuitive design that makes training both effective and fun. Take on the challenge and unlock your brain’s potential with N Back Extreme. Perfect for casual N Backers, students, and anyone interested in mental fitness. Download now and start your journey to a sharper, more focused mind! Experience the extreme in brain training—one session at a time. Terms of use: https://www.arcaneorbit.com/nbackextreme/terms.md Privacy Policy: https://www.arcaneorbit.com/nbackextreme/privacy.md
Screenshots
Verdict
The clearest difference is rating: Dual N at 4.4 against n's 3.0. Dual N also leads on ads (none vs shown) and update cadence (every 6 days vs every 12 months). n's advantage is in-app purchases (none vs 7) and device support (3 vs 1). On price 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 5 in-app purchases, starting at $1.99 per month. n asks for nothing beyond the download.
Dual N holds the better App Store score, 4.4 against 3.0. Both are backed by a comparable volume of ratings — 44 and 12 respectively. Written reviews point the same way: 39% of n's written reviews are positive against 67% of Dual N's.
n ships an update every 12 months, Dual N every 6 days. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.
| Parameter | n | Dual N |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (44 ratings) | 4.4 (12 ratings) — better |
| Positive reviews | 38.9% of reviews | 66.7% of reviews — better |
| Number of ratings | 44 — better | 12 |
| Update frequency | Every 12 months | Every 6 days — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 13.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 5 MB | 68 MB |
| Age rating | 4+ | 4+ |
| Developer | dicwizard.jp | Jatin Thakur |
Customer experience
n
Dual N
In-app purchases
n
No in-app purchases
Dual N
- Monthly2 variants$1.991 Month
- N Back Extreme Monthly Subscription$4.991 Month
- Six Months2 variants$4.996 Months
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- 6 Months$4.996 Months
- N Back Extreme Yearly Subscription$29.991 Year
