# Kokka Number Study vs TOPIK PassNote

The clearest difference is in-app purchases: Kokka Number Study at none against TOPIK PassNote's 1. Kokka Number Study also leads on update cadence (every 2 days vs every 6 days). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. TOPIK PassNote sells 1 one-off in-app purchase. Kokka Number Study asks for nothing beyond the download.

Kokka Number Study ships an update every 2 days, TOPIK PassNote every 6 days. The most recent releases landed on October 31, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Kokka Number Study | TOPIK PassNote |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 6 days |
| Size | 34 MB | 120 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [jaewook shin](https://appshunter.io/developer/1866841028) | [Jinyoung Lee](https://appshunter.io/developer/1880091360) |

## What reviewers say

### 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


### TOPIK PassNote

[App page](https://appshunter.io/ios/app/topik-passnote-korean-test/id6782555807)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Premium Access | $14.99 | one-time |


## Frequently asked questions

### Is Kokka Number Study free?

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

### Is TOPIK PassNote free?

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

### Do Kokka Number Study or TOPIK PassNote have ads?

Neither Kokka Number Study nor TOPIK PassNote shows ads.

### Which is updated more often, Kokka Number Study or TOPIK PassNote?

Kokka Number Study ships an update every 2 days, and TOPIK PassNote every 6 days. Most recently, Kokka Number Study was updated on October 31, 2026 and TOPIK PassNote on November 6, 2026.

---

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