# Zetamac Arithmetic Practice vs studi.hn

The clearest difference is update cadence: Zetamac Arithmetic Practice at daily against studi.hn's every 5 weeks. studi.hn's advantage is device support (4 vs 2) and iOS requirement (15.1 vs 17.5). On price, ads and in-app purchases 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, studi.hn every 5 weeks. The most recent releases landed on November 12, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | Zetamac Arithmetic Practice | studi.hn |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (20 ratings)](https://appshunter.io/ios/app/zetamac-arithmetic-practice/id6737153617/reviews)** | — |
| Number of ratings | **20** | — |
| 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 | 103 MB |
| Requires iOS | 17.5 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Joseph Ma](https://appshunter.io/developer/1774979062) | [UniNow GmbH](https://appshunter.io/developer/1099302123) |

## 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


### studi.hn

[App page](https://appshunter.io/ios/app/studihn/id6760454807)

**Features:** macOS Compatibility, Apple Wallet, Apple Watch app, 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 studi.hn free?

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

### Do Zetamac Arithmetic Practice or studi.hn have ads?

Neither Zetamac Arithmetic Practice nor studi.hn shows ads.

### Which is updated more often, Zetamac Arithmetic Practice or studi.hn?

Zetamac Arithmetic Practice ships an update daily, and studi.hn every 5 weeks. Most recently, Zetamac Arithmetic Practice was updated on November 12, 2026 and studi.hn on November 13, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*