# 石臼 vs Goblins Island Mining Tycoon

The clearest difference is update cadence: Goblins Island Mining Tycoon at every 2 weeks against 石臼's every 5 weeks. 石臼's advantage is iOS requirement (12.0 vs 15.0). 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.

石臼 ships an update every 5 weeks, Goblins Island Mining Tycoon every 2 weeks. The most recent releases landed on October 16, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | 石臼 | Goblins Island Mining Tycoon |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 52.2% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 124 MB | 89 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Hirokazu Oshimo](https://appshunter.io/developer/1627742277) | [HULABREAKS](https://appshunter.io/developer/307659914) |

## What reviewers say

### 石臼

[App page](https://appshunter.io/ios/app/ishiusu/id6477419440)

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

**In-app purchases:** none


### Goblins Island Mining Tycoon

[App page](https://appshunter.io/ios/app/goblins-island-mining-tycoon/id6740780752)

Trapped on Goblin Island, players must mine for coins to escape. This free-to-play game offers an exciting challenge to accumulate a million coins before you can leave.

**Highlights:** Coin mining gameplay, Escape island objective, Free to play, Exciting challenges, Accumulate wealth

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 石臼 free?

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

### Is Goblins Island Mining Tycoon free?

Goblins Island Mining Tycoon is free to download, with no in-app purchases.

### Do 石臼 or Goblins Island Mining Tycoon have ads?

Both 石臼 and Goblins Island Mining Tycoon show ads.

### Which is updated more often, 石臼 or Goblins Island Mining Tycoon?

石臼 ships an update every 5 weeks, and Goblins Island Mining Tycoon every 2 weeks. Most recently, 石臼 was updated on October 16, 2026 and Goblins Island Mining Tycoon on October 17, 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.*