# Brain Sharp vs Zetamac problems

The clearest difference is in-app purchases: Zetamac problems at none against Brain Sharp's 1. Zetamac problems also leads on rating (5.0 vs 4.6). Brain Sharp's advantage is ratings volume (24 vs 2). On price, update cadence, ads and device support there is nothing between them.

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

Zetamac problems holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Brain Sharp has 24 ratings behind it against 2, so its average is the more settled of the two.

Brain Sharp ships an update every 4 months, Zetamac problems every 2 months. The most recent releases landed on September 30, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Brain Sharp | Zetamac problems |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (24 ratings)](https://appshunter.io/ios/app/brain-sharp-brain-training/id1498294537/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/zetamac-problems/id6743952737/reviews)** |
| Number of ratings | **24** | 2 |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 26 MB | 4 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [世恬 颜](https://appshunter.io/developer/1448144845) | [Chhaya Patel](https://appshunter.io/developer/1736176770) |

## 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 problems

[App page](https://appshunter.io/ios/app/zetamac-problems/id6743952737)

Sharpen your math skills with daily practice problems. This app offers diverse problem types, customizable difficulty, and timed challenges to prepare for exams and interviews. Get instant feedback to improve your accuracy and speed.

**Highlights:** Diverse math problem types, Customizable number range, Timed practice challenges, Realistic quantitative simulations, Instant feedback on answers

**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 problems free?

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

### Which has better reviews, Brain Sharp or Zetamac problems?

Zetamac problems is rated higher. Brain Sharp averages 4.6 out of 5 from 24 ratings, while Zetamac problems averages 5.0 from 2 ratings.

### Do Brain Sharp or Zetamac problems have ads?

Both Brain Sharp and Zetamac problems show ads.

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

Brain Sharp ships an update every 4 months, and Zetamac problems every 2 months. Most recently, Brain Sharp was updated on September 30, 2026 and Zetamac problems on September 29, 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.*