# Kohoku Rules vs 国康

The clearest difference is update cadence: 国康 at weekly against Kohoku Rules's every 23 months. 国康 also leads on iOS requirement (11.0 vs 15.6). 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.

Kohoku Rules ships an update every 23 months, 国康 weekly. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Kohoku Rules | 国康 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 23 months | **Weekly** |
| Size | 2 MB | 76 MB |
| Requires iOS | 15.6 | **11.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [G-Place Corporation](https://appshunter.io/developer/778569521) | [中浦慧联信息科技(上海)有限公司](https://appshunter.io/developer/1604764404) |

## What reviewers say

### Kohoku Rules

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

**In-app purchases:** none


### 国康

[App page](https://appshunter.io/ios/app/id6464007408)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Kohoku Rules free?

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

### Is 国康 free?

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

### Do Kohoku Rules or 国康 have ads?

Neither Kohoku Rules nor 国康 shows ads.

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

Kohoku Rules ships an update every 23 months, and 国康 weekly. Most recently, Kohoku Rules was updated on November 3, 2026 and 国康 on November 7, 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.*