# Aquariumulator vs Marunomi

The clearest difference is in-app purchases: Marunomi at none against Aquariumulator's 3. Aquariumulator's advantage is ads (none vs shown) and update cadence (every 3 days vs every 6 weeks). On price and device support there is nothing between them.

Both are free to download. Aquariumulator sells 3 one-off in-app purchases. Marunomi asks for nothing beyond the download.

Aquariumulator ships an update every 3 days, Marunomi every 6 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | Aquariumulator | Marunomi |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 3 days** | Every 6 weeks |
| Size | 53 MB | 106 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Gen Takagaki](https://appshunter.io/developer/6774018592) | [Ryutaro Nakano](https://appshunter.io/developer/1883662154) |

## What reviewers say

### Aquariumulator

[App page](https://appshunter.io/ios/app/aquariumulator-aquarium-sim/id6774830202)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアムガチャ(1回) | $0.99 | one-time |
| 広告無効化 | $2.99 | one-time |
| プレミアムガチャ(10回) | $9.99 | one-time |


### Marunomi

[App page](https://appshunter.io/ios/app/marunomi-weird-fish-evolution/id6778737421)

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

**In-app purchases:** none


## Frequently asked questions

### Is Aquariumulator free?

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

### Is Marunomi free?

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

### Do Aquariumulator or Marunomi have ads?

Marunomi shows ads; Aquariumulator does not.

### Which is updated more often, Aquariumulator or Marunomi?

Aquariumulator ships an update every 3 days, and Marunomi every 6 weeks. Most recently, Aquariumulator was updated on October 24, 2026 and Marunomi 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.*