# n vs N'Back

The clearest difference is rating: N'Back at 4.0 against n's 3.0. N'Back also leads on review sentiment (70% vs 39%). n's advantage is in-app purchases (none vs 1) and ratings volume (44 vs 3). On price, update cadence and ads there is nothing between them.

Both are free to download. N'Back sells 1 one-off in-app purchase. n asks for nothing beyond the download.

N'Back holds the better App Store score, 4.0 against 3.0. That said, the two scores are not equally well evidenced: n has 44 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 39% of n's written reviews are positive against 70% of N'Back's.

n ships an update every 12 months, N'Back every 9 months. The most recent releases landed on September 13, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | n | N'Back |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (44 ratings)](https://appshunter.io/ios/app/n-back/id551544969/reviews) | **[4.0 (3 ratings)](https://appshunter.io/ios/app/nback/id591320567/reviews)** |
| Number of ratings | **44** | 3 |
| Positive reviews | 38.9% of reviews | **70.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 12 months | **Every 9 months** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 5 MB | 6 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [dicwizard.jp](https://appshunter.io/developer/288699111) | [Yasuyoshi Ota](https://appshunter.io/developer/1500357652) |

## What reviewers say

### n

[App page](https://appshunter.io/ios/app/n-back/id551544969)

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.

**Highlights:** Working memory training, Adjustable difficulty levels (1-10), Memorization of addition problem digits, Tap last digit of previous answers, N-back exercise implementation

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

**In-app purchases:** none


### N'Back

[App page](https://appshunter.io/ios/app/nback/id591320567)

Enhance sensory and working memory with this brain training application. It offers various modes to test your ability to recall sequences of numbers, progressing through different 'N' levels.

**Highlights:** Sensory memory improvement, Working memory enhancement, N'Back exercises, Flash Mode, Slow Mode, Step Mode

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Add Levels (3'Back-10'Back) and Remove Ads | $2.99 | one-time |


## Frequently asked questions

### Is n free?

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

### Is N'Back free?

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

### Which has better reviews, n or N'Back?

N'Back is rated higher. n averages 3.0 out of 5 from 44 ratings, while N'Back averages 4.0 from 3 ratings.

### Do n or N'Back have ads?

Both n and N'Back show ads.

### Which is updated more often, n or N'Back?

n ships an update every 12 months, and N'Back every 9 months. Most recently, n was updated on September 13, 2026 and N'Back on September 11, 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.*