# メンダコ深海育成日記 vs Pasterium C

The clearest difference is in-app purchases: メンダコ深海育成日記 at none against Pasterium C's 1. メンダコ深海育成日記 also leads on device support (3 vs 1) and iOS requirement (12.0 vs 16.0). Pasterium C's advantage is ads (none vs shown). On price and update cadence there is nothing between them.

Both are free to download. Pasterium C sells 1 one-off in-app purchase. メンダコ深海育成日記 asks for nothing beyond the download.

メンダコ深海育成日記 ships an update every 3 days, Pasterium C every 5 days. The most recent releases landed on October 16, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | メンダコ深海育成日記 | Pasterium C |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Every 5 days |
| Size | 284 MB | 19 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Sumie Watanabe](https://appshunter.io/developer/1349237972) | [KENICHI TAKAOKA](https://appshunter.io/developer/6804616082) |

## What reviewers say

### メンダコ深海育成日記

[App page](https://appshunter.io/ios/app/id6746698191)

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

**In-app purchases:** none


### Pasterium C

[App page](https://appshunter.io/ios/app/pasterium-c/id6817622470)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Study with a Bookshelf | $2.99 | one-time |


## Frequently asked questions

### Is メンダコ深海育成日記 free?

メンダコ深海育成日記 is free to download, with no in-app purchases.

### Is Pasterium C free?

Pasterium C is free to download, with in-app purchases available.

### Do メンダコ深海育成日記 or Pasterium C have ads?

メンダコ深海育成日記 shows ads; Pasterium C does not.

### Which is updated more often, メンダコ深海育成日記 or Pasterium C?

メンダコ深海育成日記 ships an update every 3 days, and Pasterium C every 5 days. Most recently, メンダコ深海育成日記 was updated on October 16, 2026 and Pasterium C on October 26, 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.*