# Zetamac Arithmetic Practice vs Sharpn

The clearest difference is update cadence: Zetamac Arithmetic Practice at daily against Sharpn's every 5 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Zetamac Arithmetic Practice ships an update daily, Sharpn every 5 weeks. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Zetamac Arithmetic Practice | Sharpn |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (19 ratings)](https://appshunter.io/ios/app/zetamac-arithmetic-practice/id6737153617/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Daily** | Every 5 weeks |
| Monetization | Free | — |
| Size | 1 MB | 28 MB |
| Requires iOS | 17.5 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Joseph Ma](https://appshunter.io/developer/1774979062) | [Heesuk Kang](https://appshunter.io/developer/1896566515) |

## What reviewers say

### 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


### Sharpn

[App page](https://appshunter.io/ios/app/sharpn-5-min-brain-warm-up/id6768379303)

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

**In-app purchases:** none


## Frequently asked questions

### Is Zetamac Arithmetic Practice free?

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

### Is Sharpn free?

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

### Do Zetamac Arithmetic Practice or Sharpn have ads?

Neither Zetamac Arithmetic Practice nor Sharpn shows ads.

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

Zetamac Arithmetic Practice ships an update daily, and Sharpn every 5 weeks. Most recently, Zetamac Arithmetic Practice was updated on October 30, 2026 and Sharpn on October 28, 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.*