# Klugr vs Kokka Hangul Study

The clearest difference is in-app purchases: Kokka Hangul Study at none against Klugr's 2. Kokka Hangul Study also leads on ads (none vs shown) and update cadence (daily vs every 9 days). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Klugr sells 2 in-app purchases, starting at $7.99 per month. Kokka Hangul Study asks for nothing beyond the download.

Klugr ships an update every 9 days, Kokka Hangul Study daily. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Klugr | Kokka Hangul Study |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 9 days | **Daily** |
| Size | 33 MB | 35 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Perjan ProfessionalProductPartners FlexKapG](https://appshunter.io/developer/1799564039) | [jaewook shin](https://appshunter.io/developer/1866841028) |

## What reviewers say

### Klugr

[App page](https://appshunter.io/ios/app/klugr/id6742713131)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Klügr Premium Monthly | $7.99 | per month |
| Klugr Premium Yearly (30% off) | $69.90 | per year |


### Kokka Hangul Study

[App page](https://appshunter.io/ios/app/kokka-hangul-study-word-card/id6757423708)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Klugr free?

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

### Is Kokka Hangul Study free?

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

### Do Klugr or Kokka Hangul Study have ads?

Klugr shows ads; Kokka Hangul Study does not.

### Which is updated more often, Klugr or Kokka Hangul Study?

Klugr ships an update every 9 days, and Kokka Hangul Study daily. Most recently, Klugr was updated on October 28, 2026 and Kokka Hangul Study on October 25, 2026.

---

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