# marimo vs メンダコ深海育成日記

The clearest difference is ads: marimo at none against メンダコ深海育成日記's shown. marimo also leads on iOS requirement (9.0 vs 12.0). メンダコ深海育成日記's advantage is update cadence (every 3 days vs every 4 months). On price, 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.

marimo ships an update every 4 months, メンダコ深海育成日記 every 3 days. The most recent releases landed on October 14, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | marimo | メンダコ深海育成日記 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 98.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 3 days** |
| Monetization | Free | — |
| Size | 31 MB | 284 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [HANA-DA Hiromitsu](https://appshunter.io/developer/392896308) | [Sumie Watanabe](https://appshunter.io/developer/1349237972) |

## What reviewers say

### marimo

[App page](https://appshunter.io/ios/app/marimo/id392896305)

A virtual pet simulation where you nurture a Marimo, a unique aquatic plant from Hokkaido. The core gameplay involves changing its water to help it grow. You can then share your Marimo's progress with friends.

**Highlights:** Virtual Marimo pet, Water changing gameplay, Marimo growth simulation, Share progress on Twitter, Hokkaido souvenir theme

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is marimo free?

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

### 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.

### Do marimo or メンダコ深海育成日記 have ads?

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

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

marimo ships an update every 4 months, and メンダコ深海育成日記 every 3 days. Most recently, marimo was updated on October 14, 2026 and メンダコ深海育成日記 on October 1, 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.*