# n vs Brain Sharp

The clearest difference is rating: Brain Sharp at 4.6 against n's 3.0. Brain Sharp also leads on update cadence (every 4 months vs every 12 months). n's advantage is in-app purchases (none vs 1) and iOS requirement (13.0 vs 15.6). On price, ratings volume, ads and device support there is nothing between them.

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

Brain Sharp holds the better App Store score, 4.6 against 3.0. Both are backed by a comparable volume of ratings — 44 and 24 respectively.

n ships an update every 12 months, Brain Sharp every 4 months. The most recent releases landed on September 13, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | n | Brain Sharp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (44 ratings)](https://appshunter.io/ios/app/n-back/id551544969/reviews) | **[4.6 (24 ratings)](https://appshunter.io/ios/app/brain-sharp-brain-training/id1498294537/reviews)** |
| Number of ratings | **44** | 24 |
| Positive reviews | 38.9% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 12 months | **Every 4 months** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 5 MB | 26 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [dicwizard.jp](https://appshunter.io/developer/288699111) | [世恬 颜](https://appshunter.io/developer/1448144845) |

## 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


### Brain Sharp

[App page](https://appshunter.io/ios/app/brain-sharp-brain-training/id1498294537)

Enhance memory, focus, and mental math skills with engaging exercises. This app supports academic and professional growth, improves daily life clarity, and helps maintain long-term brain health through scientifically inspired games.

**Highlights:** Memory enhancement exercises, Focus and concentration games, Mental math challenges, Cognitive decline slowing, Unlimited adaptive levels, Dual N-Back training

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


## Frequently asked questions

### Is n free?

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

### Is Brain Sharp free?

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

### Which has better reviews, n or Brain Sharp?

Brain Sharp is rated higher. n averages 3.0 out of 5 from 44 ratings, while Brain Sharp averages 4.6 from 24 ratings.

### Do n or Brain Sharp have ads?

Both n and Brain Sharp show ads.

### Which is updated more often, n or Brain Sharp?

n ships an update every 12 months, and Brain Sharp every 4 months. Most recently, n was updated on September 13, 2026 and Brain Sharp on September 30, 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.*