# Zinza Math vs KoreanFox

The clearest difference is in-app purchases: Zinza Math at none against KoreanFox's 3. Zinza Math also leads on ads (none vs shown) and iOS requirement (15.0 vs 17.0). On price and device support there is nothing between them.

Both are free to download. KoreanFox sells 3 in-app purchases, starting at $1.99 per month. Zinza Math asks for nothing beyond the download.

## The numbers

| Metric | Zinza Math | KoreanFox |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 5 days |
| Size | 84 MB | 227 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [ITissible SIA](https://appshunter.io/developer/1088412905) | [JINWOO KIM](https://appshunter.io/developer/6811853286) |

## What reviewers say

### Zinza Math

[App page](https://appshunter.io/ios/app/zinza-math/id6744957772)

**In-app purchases:** none


### KoreanFox

[App page](https://appshunter.io/ios/app/koreanfox-learn-korean/id6814129022)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| KoreanFox Premium Monthly | $1.99 | per month |
| KoreanFox Premium Yearly | $14.99 | per year |
| KoreanFox Premium Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is Zinza Math free?

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

### Is KoreanFox free?

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

### Do Zinza Math or KoreanFox have ads?

KoreanFox shows ads; Zinza Math does not.

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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.*