# メダカ育成げーむ vs MarimoSimulator

The clearest difference is rating: MarimoSimulator at 5.0 against メダカ育成げーむ's 4.5. MarimoSimulator also leads on review sentiment (83% vs 52%) and update cadence (every 3 weeks vs every 3 months). メダカ育成げーむ's advantage is ratings volume (17 vs 2). 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.

MarimoSimulator holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: メダカ育成げーむ has 17 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 52% of メダカ育成げーむ's written reviews are positive against 83% of MarimoSimulator's.

メダカ育成げーむ ships an update every 3 months, MarimoSimulator every 3 weeks. The most recent releases landed on November 1, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | メダカ育成げーむ | MarimoSimulator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (17 ratings)](https://appshunter.io/ios/app/id1100508229/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/marimosimulator/id6503089573/reviews)** |
| Number of ratings | **17** | 2 |
| Positive reviews | 52.4% of reviews | **83.3% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | — | Ad-supported |
| Size | 76 MB | 289 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Canvas soft](https://appshunter.io/developer/670507890) | [Takuma Takahashi](https://appshunter.io/developer/1704744113) |

## What reviewers say

### メダカ育成げーむ

[App page](https://appshunter.io/ios/app/id1100508229)

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

**In-app purchases:** none


### MarimoSimulator

[App page](https://appshunter.io/ios/app/marimosimulator/id6503089573)

Experience daily relaxation by raising fluffy, cute marimo. Enjoy visual effects by switching lights and soothing music. This simple idle game is perfect for killing time and finding peace.

**Highlights:** Idle marimo breeding, Relaxing gameplay, Visual light effects, Soothing music, Simple controls, Tank cleaning mechanic

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is メダカ育成げーむ free?

メダカ育成げーむ is free to download, with no in-app purchases.

### Is MarimoSimulator free?

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

### Which has better reviews, メダカ育成げーむ or MarimoSimulator?

MarimoSimulator is rated higher. メダカ育成げーむ averages 4.5 out of 5 from 17 ratings, while MarimoSimulator averages 5.0 from 2 ratings.

### Do メダカ育成げーむ or MarimoSimulator have ads?

Both メダカ育成げーむ and MarimoSimulator show ads.

### Which is updated more often, メダカ育成げーむ or MarimoSimulator?

メダカ育成げーむ ships an update every 3 months, and MarimoSimulator every 3 weeks. Most recently, メダカ育成げーむ was updated on November 1, 2026 and MarimoSimulator 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.*