# EngWiz 영어마법사 vs Kokka Number Study

The clearest difference is update cadence: Kokka Number Study at every 2 days against EngWiz 영어마법사's every 22 months. 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.

EngWiz 영어마법사 ships an update every 22 months, Kokka Number Study every 2 days. The most recent releases landed on October 11, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | EngWiz 영어마법사 | Kokka Number Study |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 22 months | **Every 2 days** |
| Size | 25 MB | 34 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Prosigner](https://appshunter.io/developer/307690327) | [jaewook shin](https://appshunter.io/developer/1866841028) |

## What reviewers say

### EngWiz 영어마법사

[App page](https://appshunter.io/ios/app/engwiz/id1576828667)

**Features:** macOS Compatibility

**In-app purchases:** none


### Kokka Number Study

[App page](https://appshunter.io/ios/app/kokka-number-study-number/id6757453069)

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

**In-app purchases:** none


## Frequently asked questions

### Is EngWiz 영어마법사 free?

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

### Is Kokka Number Study free?

Kokka Number Study is free to download, with no in-app purchases.

### Do EngWiz 영어마법사 or Kokka Number Study have ads?

Neither EngWiz 영어마법사 nor Kokka Number Study shows ads.

### Which is updated more often, EngWiz 영어마법사 or Kokka Number Study?

EngWiz 영어마법사 ships an update every 22 months, and Kokka Number Study every 2 days. Most recently, EngWiz 영어마법사 was updated on October 11, 2026 and Kokka Number Study on October 14, 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.*