# Brain Sharp vs Zetamac Arithmetic Practice

The clearest difference is in-app purchases: Zetamac Arithmetic Practice at none against Brain Sharp's 1. Zetamac Arithmetic Practice also leads on ads (none vs shown) and update cadence (daily vs every 4 months). Brain Sharp's advantage is iOS requirement (15.6 vs 17.5). On price, rating, ratings volume and device support there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.6 for Brain Sharp against 4.7 for Zetamac Arithmetic Practice. Both are backed by a comparable volume of ratings — 24 and 18 respectively.

Brain Sharp ships an update every 4 months, Zetamac Arithmetic Practice daily. The most recent releases landed on September 11, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Brain Sharp | Zetamac Arithmetic Practice |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (24 ratings)](https://appshunter.io/ios/app/brain-sharp-brain-training/id1498294537/reviews) | **[4.7 (18 ratings)](https://appshunter.io/ios/app/zetamac-arithmetic-practice/id6737153617/reviews)** |
| Number of ratings | **24** | 18 |
| Positive reviews | — | 82.4% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Daily** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 26 MB | 1 MB |
| Requires iOS | **15.6** | 17.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [世恬 颜](https://appshunter.io/developer/1448144845) | [Joseph Ma](https://appshunter.io/developer/1774979062) |

## What reviewers say

### 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 |


### Zetamac Arithmetic Practice

[App page](https://appshunter.io/ios/app/zetamac-arithmetic-practice/id6737153617)

This app offers mental math practice tailored for quantitative finance professionals. It focuses on improving calculation speed and accuracy for complex numerical problems.

**Highlights:** Mental math practice, Quantitative finance focus, Calculation speed improvement, Accuracy enhancement, Numerical problem solving

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

**In-app purchases:** none


## Frequently asked questions

### Is Brain Sharp free?

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

### Is Zetamac Arithmetic Practice free?

Zetamac Arithmetic Practice is free to download, with no in-app purchases.

### Which has better reviews, Brain Sharp or Zetamac Arithmetic Practice?

Zetamac Arithmetic Practice is rated higher. Brain Sharp averages 4.6 out of 5 from 24 ratings, while Zetamac Arithmetic Practice averages 4.7 from 18 ratings.

### Do Brain Sharp or Zetamac Arithmetic Practice have ads?

Brain Sharp shows ads; Zetamac Arithmetic Practice does not.

### Which is updated more often, Brain Sharp or Zetamac Arithmetic Practice?

Brain Sharp ships an update every 4 months, and Zetamac Arithmetic Practice daily. Most recently, Brain Sharp was updated on September 11, 2026 and Zetamac Arithmetic Practice on September 22, 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.*