# Zetamac Arithmetic Practice vs KoreKloud

The clearest difference is in-app purchases: Zetamac Arithmetic Practice at none against KoreKloud's 10. Zetamac Arithmetic Practice also leads on update cadence (daily vs every 6 weeks). KoreKloud's advantage is iOS requirement (15.1 vs 17.5). On price, ads and device support there is nothing between them.

Both are free to download. KoreKloud sells 10 in-app purchases, starting at $15.00 per month. Zetamac Arithmetic Practice asks for nothing beyond the download.

Zetamac Arithmetic Practice ships an update daily, KoreKloud every 6 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | Zetamac Arithmetic Practice | KoreKloud |
| --- | --- | --- |
| 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** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 6 weeks |
| Monetization | **Free** | Freemium |
| Size | 1 MB | 102 MB |
| Requires iOS | 17.5 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Joseph Ma](https://appshunter.io/developer/1774979062) | [Korekloud, Inc.](https://appshunter.io/developer/1876644426) |

## 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


### KoreKloud

[App page](https://appshunter.io/ios/app/korekloud/id6759069473)

Transform study materials into interactive practice sessions with AI-powered questions and instant feedback. Track your progress, analyze performance, and prepare effectively for exams. Designed for students, families, and educators to enhance learning.

**Highlights:** AI-generated practice questions, Instant feedback and explanations, Progress tracking, Performance analytics, Test preparation workflows, Create practice from study materials

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Student Plus | $15.00 | per month |
| Student Pro | $25.00 | per month |
| Family Plus | $25.00 | per month |
| Family Pro | $50.00 | per month |
| Teacher Plus | $50.00 | per month |
| Teacher Pro | $100.00 | per month |
| 500 Credits | $5.00 | one-time |
| 1000 Credits | $10.00 | one-time |
| 2,500 Credits | $25.00 | one-time |
| 5,000 Credits | $50.00 | one-time |


## Frequently asked questions

### Is Zetamac Arithmetic Practice free?

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

### Is KoreKloud free?

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

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

Neither Zetamac Arithmetic Practice nor KoreKloud shows ads.

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

Zetamac Arithmetic Practice ships an update daily, and KoreKloud every 6 weeks. Most recently, Zetamac Arithmetic Practice was updated on October 24, 2026 and KoreKloud on October 24, 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.*