# MarimoSimulator vs Otter, the Game

The clearest difference is ads: Otter, the Game at none against MarimoSimulator's shown. On price, update cadence, 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 ships an update every 3 weeks, Otter, the Game fortnightly. The most recent releases landed on November 4, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | MarimoSimulator | Otter, the Game |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/marimosimulator/id6503089573/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Ad-supported | — |
| Size | 289 MB | 174 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Takuma Takahashi](https://appshunter.io/developer/1704744113) | [Serhii Kobak](https://appshunter.io/developer/6816929741) |

## What reviewers say

### 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


### Otter, the Game

[App page](https://appshunter.io/ios/app/otter-the-game/id6816929739)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MarimoSimulator free?

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

### Is Otter, the Game free?

Otter, the Game is free to download, with no in-app purchases.

### Do MarimoSimulator or Otter, the Game have ads?

MarimoSimulator shows ads; Otter, the Game does not.

### Which is updated more often, MarimoSimulator or Otter, the Game?

MarimoSimulator ships an update every 3 weeks, and Otter, the Game fortnightly. Most recently, MarimoSimulator was updated on November 4, 2026 and Otter, the Game on October 29, 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.*