# NBack³ vs N

The clearest difference is ads: N at none against NBack³'s shown. N also leads on monetization model (free vs free with in-app purchases) and iOS requirement (15.1 vs 17.0). NBack³'s advantage is review sentiment (71% vs 50%). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. NBack³ sells 1 in-app purchase, starting at $0.49 per month and N sells 3 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

NBack³ ships an update every 4 days, N every 6 days. The most recent releases landed on October 7, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | NBack³ | N |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (2 ratings)](https://appshunter.io/ios/app/n-back-brain-training-game/id6758106551/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | **71.4% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Every 6 days |
| Monetization | Free with in-app purchases | **Free** |
| Size | 20 MB | 37 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Taiki Nishimura](https://appshunter.io/developer/1780302048) | [AHMET EMRE DEDELER](https://appshunter.io/developer/1870913629) |

## What reviewers say

### NBack³

[App page](https://appshunter.io/ios/app/nback-memory-training-game/id6745750227)

This brain training app uses the scientifically proven Dual N-Back method to enhance cognitive functions like working memory, focus, and decision-making. It offers adjustable difficulty levels and tracks progress with a visually engaging interface.

**Highlights:** Dual N-Back method, Adjustable difficulty (n=1-5), Enhances working memory, Improves inhibitory control, Develops attention skills, Progress tracking, Streak bonus system

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアムプラン | $0.49 | per month |


### N

[App page](https://appshunter.io/ios/app/n-back-brain-training-game/id6758106551)

This app uses the scientifically validated Dual N-Back task to enhance working memory and focus. It offers a structured challenge, detailed statistics, and adaptive difficulty to improve cognitive abilities. Designed for students, professionals, or anyone seeking mental fitness.

**Highlights:** Dual N-Back task for cognitive enhancement, 20-Day structured habit-building challenge, Detailed progress tracking with charts and heatmaps, Practice mode with customizable N-levels, Adaptive difficulty that adjusts to user performance, Distraction-free, dark-mode design

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| N-Back Pro Weekly | $1.99 | per 7 days |
| N-Back Pro Monthly | $2.99 | per month |
| N-Back Pro Yearly | $24.99 | per year |


## Frequently asked questions

### Is NBack³ free?

NBack³ is free to download, with in-app purchases available.

### Is N free?

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

### Do NBack³ or N have ads?

NBack³ shows ads; N does not.

### Which is updated more often, NBack³ or N?

NBack³ ships an update every 4 days, and N every 6 days. Most recently, NBack³ was updated on October 7, 2026 and N on October 18, 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.*