# ぼくの深海魚 vs 深海8000

The clearest difference is in-app purchases: ぼくの深海魚 at none against 深海8000's 7. ぼくの深海魚 also leads on update cadence (every 5 days vs every 11 days). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 深海8000 sells 7 one-off in-app purchases. ぼくの深海魚 asks for nothing beyond the download.

ぼくの深海魚 ships an update every 5 days, 深海8000 every 11 days. The most recent releases landed on October 29, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | ぼくの深海魚 | 深海8000 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 5 days** | Every 11 days |
| Size | 18 MB | 71 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [mikito oba](https://appshunter.io/developer/1563726163) | [Riki Kamei](https://appshunter.io/developer/1884951857) |

## What reviewers say

### ぼくの深海魚

[App page](https://appshunter.io/ios/app/id6796346667)

**In-app purchases:** none


### 深海8000

[App page](https://appshunter.io/ios/app/8000/id6816334134)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 資金チャージ | $1.99 | one-time |
| 初心者探索パック | $2.99 | one-time |
| 留守中収入2倍 | $2.99 | one-time |
| 水族館応援パック | $3.99 | one-time |
| 広告スキップ | $3.99 | one-time |
| 来館収入2倍 | $3.99 | one-time |
| 探索スタートセット | $4.99 | one-time |


## Frequently asked questions

### Is ぼくの深海魚 free?

ぼくの深海魚 is free to download, with no in-app purchases.

### Is 深海8000 free?

深海8000 is free to download, with in-app purchases available.

### Do ぼくの深海魚 or 深海8000 have ads?

Both ぼくの深海魚 and 深海8000 show ads.

### Which is updated more often, ぼくの深海魚 or 深海8000?

ぼくの深海魚 ships an update every 5 days, and 深海8000 every 11 days. Most recently, ぼくの深海魚 was updated on October 29, 2026 and 深海8000 on November 6, 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.*