# OKATADUKE2 vs Kohoku Rules

The clearest difference is price: Kohoku Rules at Free against OKATADUKE2's $3.99. OKATADUKE2's advantage is update cadence (monthly vs every 23 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Kohoku Rules is free to download; OKATADUKE2 costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

OKATADUKE2 ships an update monthly, Kohoku Rules every 23 months. The most recent releases landed on November 2, 2026 and November 11, 2026 respectively.

## The numbers

| Metric | OKATADUKE2 | Kohoku Rules |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 23 months |
| Size | 82 MB | 2 MB |
| Requires iOS | **14.5** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [masashi012](https://appshunter.io/developer/524897474) | [G-Place Corporation](https://appshunter.io/developer/778569521) |

## What reviewers say

### OKATADUKE2

[App page](https://appshunter.io/ios/app/okataduke2/id1112861337)

**Features:** macOS Compatibility

**In-app purchases:** none


### Kohoku Rules

[App page](https://appshunter.io/ios/app/kohoku-rules/id1473916351)

**In-app purchases:** none


## Frequently asked questions

### Is OKATADUKE2 free?

OKATADUKE2 costs $3.99, with no in-app purchases.

### Is Kohoku Rules free?

Kohoku Rules is free to download, with no in-app purchases.

### Do OKATADUKE2 or Kohoku Rules have ads?

Neither OKATADUKE2 nor Kohoku Rules shows ads.

### Which is updated more often, OKATADUKE2 or Kohoku Rules?

OKATADUKE2 ships an update monthly, and Kohoku Rules every 23 months. Most recently, OKATADUKE2 was updated on November 2, 2026 and Kohoku Rules on November 11, 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.*