# Mathematical N vs Brain Sharp

The clearest difference is ads: Mathematical N at none against Brain Sharp's shown. Mathematical N also leads on ratings volume (85 vs 24) and iOS requirement (13.0 vs 15.6). Brain Sharp's advantage is update cadence (every 4 months vs every 8 months). On price, rating, in-app purchases and monetization model there is nothing between them.

Both are free to download. Mathematical N sells 1 one-off in-app purchase and Brain Sharp sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.7 for Mathematical N against 4.6 for Brain Sharp. Both are backed by a comparable volume of ratings — 85 and 24 respectively.

Mathematical N ships an update every 8 months, Brain Sharp every 4 months. The most recent releases landed on September 6, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Mathematical N | Brain Sharp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (85 ratings)](https://appshunter.io/ios/app/mathematical-n-back/id1298836462/reviews)** | [4.6 (24 ratings)](https://appshunter.io/ios/app/brain-sharp-brain-training/id1498294537/reviews) |
| Number of ratings | **85** | 24 |
| Positive reviews | 81.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 8 months | **Every 4 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 28 MB | 26 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [William Mahoney](https://appshunter.io/developer/1124295006) | [世恬 颜](https://appshunter.io/developer/1448144845) |

## What reviewers say

### Mathematical N

[App page](https://appshunter.io/ios/app/mathematical-n-back/id1298836462)

This app offers a comprehensive mathematical n-back training experience. Users can select from various arithmetic operations or a mixed mode for increased difficulty. Track your performance with detailed charts and compete with others on leaderboards.

**Highlights:** Multiple arithmetic operations (add, subtract, multiply), Mixed operation mode for advanced challenge, Timed games to beat personal bests, Progress tracking with charts, Global leaderboards for competition

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Version | $3.99 | one-time |


### 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 Mathematical N free?

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

### Is Brain Sharp free?

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

### Which has better reviews, Mathematical N or Brain Sharp?

Mathematical N is rated higher. Mathematical N averages 4.7 out of 5 from 85 ratings, while Brain Sharp averages 4.6 from 24 ratings.

### Do Mathematical N or Brain Sharp have ads?

Brain Sharp shows ads; Mathematical N does not.

### Which is updated more often, Mathematical N or Brain Sharp?

Mathematical N ships an update every 8 months, and Brain Sharp every 4 months. Most recently, Mathematical N was updated on September 6, 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.*