# Zetamac problems vs KoreKloud

The clearest difference is in-app purchases: Zetamac problems at none against KoreKloud's 10. KoreKloud's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

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

Zetamac problems ships an update every 2 months, KoreKloud every 6 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | Zetamac problems | KoreKloud |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/zetamac-problems/id6743952737/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | **Ad-supported** | Freemium |
| Size | 4 MB | 102 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Chhaya Patel](https://appshunter.io/developer/1736176770) | [Korekloud, Inc.](https://appshunter.io/developer/1876644426) |

## What reviewers say

### 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


### 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 problems free?

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

### Is KoreKloud free?

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

### Do Zetamac problems or KoreKloud have ads?

Zetamac problems shows ads; KoreKloud does not.

### Which is updated more often, Zetamac problems or KoreKloud?

Zetamac problems ships an update every 2 months, and KoreKloud every 6 weeks. Most recently, Zetamac problems 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.*