# Stone Grid vs 오목코치 OmCoach

The clearest difference is update cadence: 오목코치 OmCoach at daily against Stone Grid's every 3 days. Stone Grid's advantage is iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Stone Grid sells 1 one-off in-app purchase and 오목코치 OmCoach sells 2 in-app purchases, starting at $0.49 per month. Whichever you choose, the download price is not the number that matters.

Stone Grid ships an update every 3 days, 오목코치 OmCoach daily. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Stone Grid | 오목코치 OmCoach |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 days | **Daily** |
| Size | 36 MB | 96 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SeungHoon Kam](https://appshunter.io/developer/453411861) | [yosep lim](https://appshunter.io/developer/6792509203) |

## What reviewers say

### Stone Grid

[App page](https://appshunter.io/ios/app/stone-grid-gomoku/id6772341849)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Banner Ads | $2.99 | one-time |


### 오목코치 OmCoach

[App page](https://appshunter.io/ios/app/omcoach/id6792796260)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 프리미엄 | $0.49 | per month |
| 광고 제거 | $2.99 | one-time |


## Frequently asked questions

### Is Stone Grid free?

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

### Is 오목코치 OmCoach free?

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

### Do Stone Grid or 오목코치 OmCoach have ads?

Both Stone Grid and 오목코치 OmCoach show ads.

### Which is updated more often, Stone Grid or 오목코치 OmCoach?

Stone Grid ships an update every 3 days, and 오목코치 OmCoach daily. Most recently, Stone Grid was updated on October 30, 2026 and 오목코치 OmCoach on October 24, 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.*