# NBack Game vs Dual N

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.

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.

## The numbers

| Metric | NBack Game | Dual N |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (27 ratings)](https://appshunter.io/ios/app/nback-game/id1542512368/reviews)** | [4.6 (376 ratings)](https://appshunter.io/ios/app/dual-n-back-brain-training/id1578693948/reviews) |
| Number of ratings | 27 | **376** |
| Positive reviews | **89.5% of reviews** | 50.9% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 19 MB | 199 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kornel Miszczak](https://appshunter.io/developer/1542512370) | [GOKAKU SUPPLI, LIMITED LIABILITY CO.](https://appshunter.io/developer/1440310107) |

## What reviewers say

### NBack Game

[App page](https://appshunter.io/ios/app/nback-game/id1542512368)

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.

**Highlights:** N-back task implementation, Sound and position matching, Short and long-term memory improvement, 25 difficulty levels, Progressive level unlocking, In-game tutorial

**Features:** Vision Pro support

**In-app purchases:** none


### Dual N

[App page](https://appshunter.io/ios/app/dual-n-back-brain-training/id1578693948)

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:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NBack Monthly Subscription | $0.99 | per month |
| Lifetime Pass | $12.99 | one-time |


## Frequently asked questions

### Is NBack Game free?

NBack Game is free to download, with no in-app purchases.

### Is Dual N free?

Dual N is free to download, with in-app purchases available.

### Which has better reviews, NBack Game or Dual N?

NBack Game is rated higher. NBack Game averages 5.0 out of 5 from 27 ratings, while Dual N averages 4.6 from 376 ratings.

### Do NBack Game or Dual N have ads?

Dual N shows ads; NBack Game does not.

### Which is updated more often, NBack Game or Dual N?

NBack Game ships an update every 3 weeks, and Dual N fortnightly. Most recently, NBack Game was updated on November 3, 2026 and Dual N on November 3, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*